A dihydroxy monocarboxylic acid anion that is the conjugate base of (2,6-dihydroxyphenyl)acetic acid, arising from deprotonation of the carboxy group.


An icosanoid anion that is the conjugate base of 5-HEPE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


An N-acyl-(2S)-hydroxyglycinate resulting from the deprotonation of the carboxy group of N-tetradecanoyl-(2S)-hydroxyglycine. The major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#14, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Tetraanion of N(6)-(1,2-dicarboxyethyl)-AMP arising from deprotonation of carboxylic acid and phosphate functions.


Major species at pH 7.3.


An omega-hydroxy-long-chain fatty acid anion that is the conjugate base of 16-hydroxyhexadecanoic acid (also known as 16-hydroxypalmitic acid or juniperic acid).


A steroid sulfate oxoanion obtained by deprotonation of at least one of the sulfo groups of 5alpha-androstan-3beta,17beta-diol disulfate.


Major microspecies at pH 7.3


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (3E)-phycocyanobilin; major species at pH 7.3.


An omega-hydroxy fatty acid anion that is the conjugate base of 3,18-dihydroxyoctadecano (3,18-dihydroxystearic acid), obtained by deprotonation of the carboxy group; major species at pH 7.3.


A carbohydrate acid anion that is the conjugate base of 3-O-beta-D-glucosyl-D-glucuronic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 2-methylvaleric acid, resulting from the deprotonation of the carboxy group. Major species at pH 7.3.


N-benzoylglycinate

An alpha-amino-acid anion that is the conjugate base of N-benzoylglycine; major species at pH 7.3.


A (5Z,11Z,14Z)-8,9-dihydroxyicosatrienoate obtained by deprotonation of the carboxy group of (5Z,8R,9R,11Z,14Z)-8,9-dihydroxyicosatrienoic acid; major species at pH 7.3.


A tricarboxylic acid anion obtained by removal of two protons from ethylenediaminetriacetic acid.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GT1b (d18:1/C18:0); major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of bispyribac, arising from the deprotonation of the carboxy group. Major species at pH 7.3.


The conjugate base of 3-dehydro-2-deoxy-D-gluconic acid; major species at pH 7.3.


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxynervonic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An unsaturated fatty acid anion that is the conjugate base of (8S,9S)-epoxy-(10R)-hydroxyicosa-(5Z,11Z,14Z)-trienoic acid, obtained by deprotonation of the carboxy group.


A hydroxy monocarboxylic acid anion that is the conjugate base of 12-hydroxyjasmonic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid anion obtained by deprotonation of the carboxy groups as well as the 10'-hydroxy group of actinorhodin. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


N-acetyl-L-phenylalaninate

The conjugate base of N-acetyl-L-phenylalanine; major species at pH 7.3.


An  oxo carboxylic acid anion that is the conjugate base of 5-(3'-carboxy-3'-oxopropyl)-4,6-dihydroxypicolinic acid.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#27, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An L-alpha-amino acid anion that is the conjugate base of N-acetyl-L-methionine, obtained by deprotonation of the carboxy group.


An N-acylglycinate resulting from the deprotonation of the carboxy group of N-[(9Z)-hexadecenoyl]glycine. The major species at pH 7.3.


A  methoxybenzoate that is the conjugate base of 4-methoxybenzoic acid.


A monohydroxybenzoate that is the conjugate base of 3-hydroxybenzoic acid.


A dihydroxyicosatetraenoate that is the conjugate base of (5S,6R)-dihydroxy-(7E,9E,11Z,14Z)-icosatetraenoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


The conjugate base of (R)-2-hydroxyadipic acid.


S-adenosyl-L-homocysteinate

A L-alpha-amino acid anion obtained by deprotonation of S-adenosyl-L-homocysteine.


taurocholate 7-sulfate(2-)

A steroid sulfate oxoanion obtained by deprotonation of the carboxylic acid and sulfate functions of taurocholic acid 7-sulfate; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 2-oxo-3-(5-oxofuran-2-ylidene)propanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


phenyl sulfate oxoanion

An aryl sulfate oxoanion obtained by deprotonation of the sulfo group of any phenyl sulfate; major species at pH 7.3.


A carbohydrate acid anion that results from the deprotonation of the carboxylic acid group of beta-D-Delta(4)-GlcpA-(1->4)-beta-D-Glcp-(1->4)-alpha-L-Rhap-(1->3)-D-Glcp. The major species at pH 7.3.


Conjugate base of 5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylic acid.


A hydroxy fatty acid anion and the conjugate base of 6-hydroxyhexanoic acid, formed by deprotonation of the carboxylic acid group.


Dicarboxylate anion of 2-(3-methylthiopropyl)malic acid.


A monocarboxylic acid anion that is the conjugate base of sulbactam resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


An N-acyl-(3-O-sulfo-D-galactosyl)sphingosine(1-) obtained by deprotonation of the sulfo group of N-lignoceroyl-(3-O-sulfo-D-galactosyl)sphingosine; major species at pH 7.3.


D-mannonate

The D-enantiomer of mannonate.


Published in DOI:10.1074/jbc.274.35.24503


A monocarboxylic acid anion that is the conjugate base of hederagenin, obtained by deprotonation of the carboxy group; major species at pH 7.3.


ascorbate

A ketoaldonate that is the conjugate base of ascorbic acid.


name: omega-hydroxy-medium-chain fatty acid anion

description: An omega-hydroxy fatty acid anion obtained by deprotonation of the carboxy group of any omega-hydroxy-medium-chain fatty acid; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of dehydroepiandrosterone 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic group; major species at pH 7.3.


An oxo fatty acid anion that is the conjugate base of 5-oxohexanoic acid, arising from deprotonation of the carboxy group.


Octaanion of precorrin-1 arising from global deprotonation of the carboxy groups.


2-hydroxy fatty acid anion 24:0

A hydroxy fatty acid anion 24:0 in which the hydroxy substituent is located at position 2.


N,N-dihydroxytetrahomomethioninate

Conjugate base of N,N-dihydroxytetrahomomethionine.


A carboxypyridinecarboxylate that is the conjugate base of dipicolinic acid.


An oxo dicarboxylate that is the conjugate base of 2,4-dichloro-3-oxoadipic acid arising from the deprotonation of the two carboxy groups. Major microspecies at pH 7.3.


D-phenylalaninate

The D-enantiomer of phenylalaninate.


Dianion of N-acetylphosphinothricin obtained by deprotonation of carboxylic acid and phosphinate functions.


An oxo dicarboxylate obtained by deprotonation of both carboxy groups of 2-oxopimelic acid; major structure at pH 7.3.


A monounsaturated fatty acid anion that is the conjugate base of 11-hydroxy-(12S,13S)-epoxy-(9Z)-octadecenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A long-chain fatty acid anion that is the conjugate base of 13-PAHSA, obtained by deprotonation of the carboxy group; major species at pH 7.3.


tricarboxylic acid anion

Any anion of a tricarboxylic acid  formed by deprotonation of at least one carboxy group.


A hexadecenoate that is the conjugate base of (7Z)-hexadecenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Major microspecies at pH 7.3.


An omega-hydroxy-long-chain fatty acid anion that is the conjugate base of 22-hydroxydocosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Major species at pH 7.3.


A dicarboxylic acid dianion that is the conjugate base of galactarate(1-).


A dicarboxylic acid monoanion that is the conjugate base of 2-aminomuconic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A 9,10-epoxy-18-hydroxyoctadecanoate that is the conjugate base of (9S,10R)-9,10-epoxy-18-hydroxyoctadecanoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A retinoid glucuronide anion that is the conjugate base of 1-O-(5,6-epoxyretinoyl)-beta-D-glucuronic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A  carbohydrate acid anion that is the conjugate base of 2,4-didehydro-3-deoxy-L-rhamnonic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 4-oxo monocarboxylic acid anion resulting from the removal of a proton from the carboxylic acid group of (2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl)acetic acid.


A monocarboxylic acid anion that is the conjugate base of 5,10-9-dimethylallyldihydrophenazine-1-carboxylic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An idarate(2-) that is the conjugate base of L-idarate(1-).


A octadecanoid anion that is the conjugate base of 9-oxo-ODE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


gibberellin A9(1-)

A gibberellin carboxylic acid anion that is the conjugate base of gibberellin A9, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A retinoid glucosiduronic acid anion obtained by deprotonation of the carboxy groups of 4-(beta-D-glucopyranuronosyloxy)retinoic acid; major species at pH 7.3.


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxytricosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A tetracosahexaenoate that is the conjugate base of (6Z,9Z,12Z,15Z,18Z,21Z)-tetracosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


3-(1-hydroxyethyl)chlorophyllide a(2-)

A cyclic tetrapyrrole anion that is obtained from 3-(1-hydroxyethyl)chlorophyllide a via deprotonation of the carboxy group and formation of a carbide ion. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


The anion resulting from the removal of a proton from the carboxylic acid group of 3-[(5S,6R)-5,6-dihydroxycyclohexa-1,3-dienyl]propanoic acid.


leukotriene B5(1-)

An icosanoid anion that is the conjugate base of leukotriene B5, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Major species at pH 7.3.


An icosanoid anion that is the conjugate base of 15-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An optically active form of 4-hydroxy-2-oxohexanoate having 4S-configuration.


dermatan anion

A carbohydrate acid derivative anion obtained from dermatan by deprotonation of the carboxylic acid groups of the repeating units; the major species at pH 7.3.


p-hydroxyhippurate

A monocarboxylic acid anion that is the conjugate base of p-hydroxyhippuric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


L-cystine anion

The L-alpha-amino acid anion that is a conjugate base of L-cystine, formed by loss of a proton from each of the carboxy groups.  It is the major microspecies at pH > 9.4.


(S)-mevalonate

The (S)-enantiomer of mevalonate.


An icosanoid anion that is the conjugate base of (6E,8Z,11Z)-5-oxoicosatrienoic acid (5-oxo-ETrE), obtained by deprotonation of the carboxy group; major species at pH 7.3.


An organophosphate oxoanion that is the tetraanionic form of SAICAR. It is the major species at pH 7.3.


An anionic ganglioside that is the conjugate base of alpha-Neu5Gc-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer arising from deprotonation of the glycoloylneuraminosyl carboxy group; major species at pH 7.3.


N-(fatty acyl)-glycine(1-)

an N-acyl-glycine where the fatty acyl chain is not specified, major species at pH 7.3.


A polyanionic polymer obtained by global deprotonation of all the carboxy groups of (1->4)-beta-D-mannuronic acid; major species at pH 7.3.


cimicifugate J

Conjugate base of cimicifugic acid J; major microspecies at pH 7.3.


coenzyme alpha-F420-3(5-)

The penta-anion obtained by removing protons from the phosphate and carboxylic acid groups of coenzyme alpha-F420-3.


SN-38 carboxylate

A  hydroxy monocarboxylic acid anion that is the conjugate base of SN-38 carboxylic acid, obtained from the deprotonation of the carboxy group. It is the major microspecies at pH 7.3.


A docosanoid anion that is the conjugate base of (7R,14S)-dihydroxy-(8E,10E,12Z,16Z,19Z)-docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


glycohyocholate

A cholanic acid conjugate anion that is the conjugate base of glycohyocholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A HEPE(1-) that is the conjugate base of 9-HEPE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


p-cumate

A cumate that is the conjugate base of p-cumic acid.


adenin-9-yl riburonosate(1-)

The conjugate base of 9-riburonosyladenine arising from deprotonation of the carboxylic acid function.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of 3-hydroxysebacic acid.


A polyunsaturated fatty acid anion that is the conjugate base of (9Z,12Z)-hexadecadienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


iminodiacetate

A dicarboxylic acid dianion resulting from the removal of a proton from both of the carboxy groups of iminodiacetic acid.


sesterfisherate

Major species at pH 7.3


gibberellin A8(1-)

Conjugate base of gibberellin A8.


A 2-hydroxy-4-oxobutane-1,2,4-tricarboxylate resulting from the deprotonation of all three carboxy groups of (2S)-2-hydroxy-4-oxobutane-1,2,4-tricarboxylic acid; the major species at pH 7.3.


A hydrogen butenedioate obtained by deprotonation of one of the carboxy groups of fumaric acid.


cob(II)yrinate c monoamide(5-)

A precorrin carboxylic acid anion obtained by global deprotonation of the carboxy groups of cob(II)yrinic acid c monoamide.


oxaloacetate 4-methyl ester

Conjugate base of oxaloacetic acid 4-methyl ester; major species at pH 7.3.


An anionic ganglioside arising from deprotonation of the neuraminosyl carboxy groups of a ganglioside GP1c with undefined sphingoid base and fatty acyl chain; major species at pH 7.3.


bacteriochlorophyllide c(1-)

A cyclic tetrapyrrole anion obtained by deprotonation of the carboxy group of any bacteriochlorophyllide c; major species at pH 7.3.


A hydroperoxy polyunsaturated fatty acid anion resulting from the deprotonation of the carboxy group of (15S)-hydroperoxy-(11Z,13E)-icosadienoic acid. Major species at pH 7.3.


octadecanoate

A fatty acid anion 18:0 that is the conjugate base of octadecanoic acid (stearic acid). Stearates have a variety of uses in the pharmaceutical industry.


pristanate

A methyl-branched fatty acid anion that is the conjugate base of pristanic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid dianion resuting from deprotonation of both carboxy groups of 3-oxoadipic acid.


The D-enantiomer of cysteinate(1-).


Conjugate base of (25R)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oic acid.


An anionic ganglioside arising from deprotonation of the neuraminosyl carboxy groups of alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)-[alpha-N-acetylneuraminosyl-(2->8)-alpha-N-acetylneuraminosyl-(2->3)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide; major species at pH 7.3.


violaceinate

A monocarboxylic acid anion that is the conjugate base of violaceinic acid, resulting from the removal of the proton from the carboxy group. Major structure at pH 7.3.


A tricarboxylic acid dianion that is obtained from gamma-carboxy-L-glutamic acid by removal of a proton from each of the carboxy groups and protonation of the amino group; the resulting entity has an overall charge of 2-.


Conjugate base of xanthommatin having both carboxy groups deprotonated and the amino group protonated; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of rigosertib, resulting from the deprotonation of the carboxy group. The major species at pH 7.3.


geranate

An unsaturated fatty acid anion that is the conjugate base of geranic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The L-alpha-amino acid anion that is the conjugate base of 4-hydroxy-L-proline, formed by proton loss from the carboxy group. It is the major microspecies present at pH > 10.6.


quercetin 3,3'-bissulfate(3-)

A flavonoid oxoanion arising from deprotonation of the sulfo and 7-hydroxy groups of quercetin 3,3'-bissulfate; major species at pH 7.3.


A benzenesulfonate resulting from the deprotonation of both the carboxy group and the sulfo group of 4-carboxy-4'-sulfoazobenzene; the major species at pH 7.3.


Trianion of (1E)-4-oxobut-1-ene-1,2,4-tricarboxylic acid arising from deprotonation of all three carboxylic acid groups.


Major microspecies at pH 7.3.


A polyunsaturated fatty acid anion that is the conjugate base of all-cis-docosa-7,10,13,16-tetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


petroselinate

An unsaturated fatty acid anion resulting from the deprotonation of the carboxy group of petroselinic acid. The major species at pH 7.3.


A  monocarboxylic acid anion that is the conjugate base of 12-[(9Z)-octadecenoyloxy]octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


hexadecenoate

A long-chain unsaturated fatty acid anion that is the conjugate base of hexadecenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


tauro-alpha-muricholate 7-sulfate(2-)

A steroid sulfate oxoanion obtained by deprotonation of the carboxylic acid and sulfate functions of glycocholic acid 7-sulfate; major species at pH 7.3.


A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of 3-hydroxysebacic acid.


p-tolyl beta-D-glucuronide(1-)

A carbohydrate acid derivative anion resulting from the removal of a proton from the carboxy group of p-tolyl beta-D-glucuronide.


pentonate

An aldonate obtained by deprotonation of the carboxy group of any pentonic acid.


The pentanoate anion substituted at the alpha-carbon by a hydroxy group.  The conjugate base of 2-hydroxypentanoic acid, it is the predominant species at physiological pH.


Conjugate base of 3-(4-oxo-4,5-dihydro-1H-imidazol-5-yl)propanoic acid.


A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 4-methoxy-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid; major species at pH 7.3.


(beta-L-Ara4N)2-(KDO)2-lipid A(2-)

A lipid A oxoanion obtained by deprotonation of the phosphate and carboxy groups and protonation of the free amino groups of (beta-L-Ara4N)2-(KDO)2-lipid A; major species at pH 7.3.


Dianion of 2-N,6-O-disulfo-D-glucosamine arising from deprotonation of both sulfate OH groups; major species at pH 7.3.


A dihydroxydocosahexaenoate that is the conjugate base of (7S,14S)-dihydroxy-(4Z,8E,10E,12Z,16Z,19Z)-docosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


dicarboxylic fatty acid dianion

Any fatty acid that contains 2 carboxylic groups. Major microspecies at pH 7.3


N-hydroxy-L-polyhomomethioninate

An N-hydroxy-alpha-amino-acid anion obtained by deprotonation of the carboxy group of any N-hydroxy-L-polyhomomethionine; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 4,4'-diaponeurosporenoic acid, obtained by deprotonation of the carboxy group. Major structure at pH 7.3.


A 6-oxo monocarboxylic acid anion that is the conjugate base of 2-hydroxy-6-oxo-2,4-heptadienoic acid, obtained by deprotonation of the carboxy group. Major species at pH 7.3.


tetracenomycin D3(2-)

A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy and 8-hydroxy groups of tetracenomycin D3. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A hydroxy fatty acid anion that is the conjugate base of (S,S)-9,10-dihydroxyoctadecanoic acid.


An oxo monocarboxylic acid anion resulting from the deprotonation of the carboxy group of 6-{(1S,5S)-4-oxo-5-[(2Z)-pent-2-en-1-yl]cyclopent-2-en-1-yl}hexanoic acid. The major species at pH 7.3.


N-hydroxy-L-tetrahomomethioninate

An N-hydroxy-L-polyhomomethioninate that is the conjugate base of N-hydroxy-L-tetrahomomethionine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A docosanoid anion that is the conjugate base of (16S,17S)-epoxy-(4Z,7Z,10Z,12E,14E,19Z)-docosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A prostaglandin carboxylic acid anion that is the conjugate base of 13,14-dihydro-Delta(12)-prostaglandin J2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An icosatrienoate that is the conjugate base of (5Z,11Z,14Z)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


name: archaeal dolichyl beta-D-glucuronosyl-(1->4)-alpha-D-glucosyl phosphate(2-)

description: An organophosphate oxoanion arising from deprotonation of the carboxy and phosphate groups of archaeal dolichyl beta-D-glucuronosyl-(1->4)-alpha-D-glucosyl phosphate; major species at pH 7.3. Dolichol used by archaea is is generally much shorter (C55-C60) than that used by eukaryotes and may have additional saturation positions in the chain.


steroid sulfate oxoanion

A steroid sulfonic acid derivative in which an oxygen atom of the sulfate group(s) has been deprotonated.


A dicarboxylic acid dianion arising from deprotonation of both carboxy groups of 2-hydroxy-6-oxonona-2,4,7-trienedioic acid.


An N-acyl-L-alpha-amino acid anion obtained by deprotonation of the carboxy group of any N-acyl-aromatic L-alpha-amino-acid; major species at pH 7.3.


3-oxo monocarboxylic acid anion

An oxo monocarboxylic acid anion having the oxo group located at the 3-position (R = H or organyl group).


name: omega-methyl-long-chain fatty acid anion

description: A long-chain fatty acid anion obtained by deprotonation of the carboxy group of any omega-methyl fatty acid; major species at pH 7.3.


The anion resulting from the removal of a proton from the carboxylic acid group of 3-[(5R,6S)-5,6-dihydroxycyclohexa-1,3-dienyl]propanoic acid.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of beta-Gal-(1->3)-beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1<->1')-Cer; major species at pH 7.3.


hydroxamic acid anion

An oxoanion resulting from the removal of a proton from the hydroxy group of any hydroxamic acid.


macrophomate

A methoxybenzoate having a single methoxy group at the 3-position together with acetyl and methyl substituents at the 4- and 5-positions respectively.


Dicarboxylate anion of 2-formylglutaric acid.


A monocarboxylic acid anion obtained by removal of a proton from the carboxy group of 1,6-anhydro-N-acetyl-beta-muramic acid.


organophosphate oxoanion

An organic phosphoric acid derivative in which one or more oxygen atoms of the phosphate group(s) has been deprotonated.


A acyl-CoA oxoanion that is the pentaanion of (3R)-3-carboxy-3-hydroxypropanoyl-CoA, arising from deprotonation of phosphate, diphosphate and carboxy functions.


carboxyibuprofen anion

A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of carboxyibuprofen.


A monocarboxylic acid anion resulting from the removal of the proton from the carboxy group of 5-hydroxyimidazole-4-acetic acid.


An icosanoid anion that is the conjugate base of 14,15-epoxy-20-hydroxy-(5Z,8Z,11Z)-icosatrienoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 4-hydroxyestrone 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of chenodeoxycholic acid 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid functions; major species at pH 7.3.


name: glycochenodeoxycholic acid glucuronide anion

description: A steroid acid anion obtained by deprotonation of at least one of the carboxy groups of any glycochenodeoxycholic acid glucuronide.


A bile acid anion that is the conjugate base of 7alpha-hydroxy-3-oxo-5beta-cholan-24-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


ureidoacrylate

A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of ureidoacrylic acid. It is the major species at pH 7.3.


A 3-methyl fatty acid anion that is the conjugate base of 3-methylundecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


name: heparan sulfate alpha-D-glucosaminide 3-sulfate polyanion

description: A carbohydrate acid derivative anion arising from deprotonation of the carboxylic acid and sulfate groups of the repeating units of heparan sulfate alpha-D-glucosaminide 3-sulfate; major species at pH 7.3.


19-hydroxyprostaglandin H2(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 19-hydroxyprostaglandin H2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 2-iminopropionic acid, obtained by deprotonation of the carboxy group.


A monocarboxylic acid anion that results from the removal of a proton from the carboxylic acid group of 4-chlorophenylacetic acid.


A docosanoid anion that is the conjugate base of 16,17(S)-dihydroxy-(7Z,10Z,13E,14E,19Z)-docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of 10-oxocapric acid.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-acetyl-L-gamma-glutamyl phosphate(3-)

Trianion of N-acetyl-L-gamma-glutamyl phosphate arising from deprotonation of carboxy and phosphate groups; major species at pH 7.3.


D-erythronate

An erythronate that is the conjugate base of D-erythronic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 7-deoxyloganic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 1-piperideine-6-carboxylic acid.


A thromboxane anion that is the conjugate base of 19-hydroxycarbocyclic thromboxane A2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A cinnamate that is the conjugate base of 3,4-dimethoxycinnamic acid resulting from the deprotonation of the carboxy group; Major microspecies at pH 7.3.


Heptaanionic form of precorrin-2.


A hydroxy fatty acid anion that is the conjugate base of 2-methyl-3-hydroxybutyric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


crepenynate

A long-chain fatty acid anion and the conjugate base of crepenynic acid, arising from deprotonation of the carboxylic acid group.


A monocarboxylic acid anion resulting from the deprotonation of the carboxylic acid group of pravastatin.


hydroxymalonate

A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of hydroxymalonic acid.


A hydroxy fatty acid anion that is the conjugate base of (13Z,16Z,19Z,22Z)-2-hydroxyoctacosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An organosulfate oxoanion that is the conjugate base of 2',3'-dipalmitoyl-2-sulfo-alpha,alpha-trehalose arising from deprotonation of the sulfate OH group; major species at pH 7.3.


An organic sulfamate oxoanion that is the conjugate base of (7-methyloctyl)sulfamic acid. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


N-arachidonoyl-L-phenylalaninate

An N-acyl-L-alpha-amino acid anion resulting from the deprotonation of the carboxy group of N-arachidonoyl-L-phenylalanine. The major species at pH 7.3.


The carbohydrate acid derivative anion that is the conjugate base of baicalin.


An anionic phospholipid obtained by deprotonation of the carboxy and phosphate groups of N-hexadecanoyl-O-(1-octadecanoyl-2-oleoyl-sn-glycero-3-phospho)-L-serine; major species at pH 7.3.


A  chlorobenzoate that is the conjugate base of 3-chlorobenzoic acid.


A 3-hydroxy fatty acid anion that is the conjugate base of 3-hydroxyoctadecanoic acid (3-hydroxystearic acid), obtained by deprotonation of the carboxy group; major species at pH 7.3.


firefly D-sulfoluciferin(2-)

The conjugate base of firefly sulfoluciferin; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that results from the removal of a proton from the carboxylic acid group of 3,4-dihydroxyphenylpyruvic acid.


The conjugate base of 3-(2,3-dihydroxyphenyl)propanoic acid.


Dicarboxylate anion of 3-hydroxy-cis,cis-muconic acid; major species at pH 7.3.


A steroid acid anion that is the conjugate base of (25S)-Delta(4)-dafachronic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


methoxymycolate type-1 (VII)

The conjugate base of methoxymycolic acid type-1 (VII). A class of mycolic acids characterized by the presence of a proximal trans-cyclopropyl group and a distal (CH-CH3)-(CHO-CH3) fragment of (S,S) stereochemistry in the meromycolic chain.


Major species at pH 7.3.


A steroid acid anion resulting from the deprotonation of the carboxy group of 3beta-hydroxy-9beta-9,19-cyclolanost-24-en-28-oic acid. The major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoic acid.


A long-chain polyunsaturated fatty acid anion that is the conjugate base of (13Z,16Z,19Z)-docosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Trianion of N(6)-(UDP-N-acetylmuramoyl-L-alanyl-D-gamma-glutamyl)-D-lysine; major species at pH 7.3.


A long-chain unsaturated fatty acid anion that is the conjugate base of hexadec-9-enoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A polyunsaturated fatty acid anion that is the conjugate base of (19Z,22Z,25Z,28Z,31Z)-tetratriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A cholanic acid conjugate anion that is the conjugate base of 7-oxoglycolithocholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A galactosylceramide sulfate(1-) in which the fatty acyl group contains 24 carbons and 1 double bond, and is hydroxylated at position 2.


An EpETE(1-) that is the conjugate base of (5Z,8Z,14Z,17Z)-11,12-epoxyicosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An N-carbamoyl-L-alpha-amino acid anion obtained by deprotonation of the carboxy groups of N-carbamoyl-L-aspartic acid.


etheroleate

Major microspecies at pH 7.3.


(R,R)-chrysanthemate

A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (+)-trans-chrysanthemic acid. The major species at pH 7.3.


isocrotonate

A but-2-enoate having a cis- double bond at C-2.


A carbohydrate acid anion and conjugate base of 2-dehydro-3-deoxy-D-fuconic acid, formed by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of 2'-deoxymugineic acid.


12-oxo-6-trans-leukotriene B4(1-)

A leukotriene anion that is the conjugate base of 12-oxo-6-trans-leukotriene B4, obtained by deprotonation of the carboxylic acid function; major species at pH 7.3.


hydroperoxy(hydroxy)icosatetraenoate

An icosanoid anion that is any icosatetraenoate bearing hydroxy and hydroperoxy substituents. An oxidation product of icosatetraenoic acid metabolism.


A carbohydrate acid derivative anion obtained by deprotonation of both carboxy groups and protonation of the amino group of bacillithiol; major species at pH 7.3.


A precorrin carboxylic acid anion arising from global deprotonation of the seven carboxy groups and protonation of the secondary amino group of the precorrin derivative hydrogenobyrinic acid; major species at pH 7.3.


tetracosadienoate

A polyunsaturated fatty acid anion composed of 24 carbons with 2 double bonds in unknown positions.


gibberellin A24(2-)

A dicarboxylic acid anion obtained by deprotonation of both carboxy groups of gibberellin A24.


N-hexadecanoylglycinate

An N-acylglycinate that is the conjugate base of N-hexadecanoylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


2-butyloctyl sulfate

An organosulfate oxoanion that is the conjugate base of 2-butyloctyl hydrogen sulfate, obtained by deprotonation of the sulfate group. Major microspecies at pH 7.3.


A 2-hydroxy fatty acid anion with a chain that is composed of 22 carbons and 1 double bond (position unspecified).


Conjugate acid of 2,6-dioxo-6-phenylhexanoate.


A hydroxy fatty acid anion which is obtained by deprotonation of the carboxy group of 2-hydroxyhexanoic acid.


An icosanoid anion that is the conjugate base of 12-HETE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A bile acid anion that is the conjugate base of 3beta,7alpha,12alpha-trihydroxy-5beta-cholan-24-oic acid, obtained by deprotonation of the carboxy group. The 3beta-hydroxy epimer of cholate. It is the major microspecies at pH 7.3.


eurysterol A(1-)

An organosulfonate oxoanion obtained by the deprotonation of the sulfate group of eurysterol A sulfonic acid.


The L-enantiomer of cysteinate(1-).


An anionic ganglioside anion that is the conjugate base of alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer arising from deprotonation of the neuraminosyl carboxy group; major species at pH 7.3.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of steviolbioside. The major species at pH 7.3.


A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 2-amino-2-deoxy-D-gluconic acid.


N-acetyl-D-phenylalaninate

An N-acyl-D-alpha-amino acid anion that is the conjugate base of N-acetyl-D-phenylalanine, arising from the deprotonation of the carboxy group; major species at pH 7.3.


methoxymycolate type-2 (VIII)

The conjugate base of methoxymycolic acid type-2 (VIII). A class of mycolic acids characterized by the presence of a proximal alkenyl group with a trans C=C double bond and a distal (CH-CH3)-(CHO-CH3) fragment of (S,S) stereochemistry in the meromycolic chain.


A monocarboxylic acid anion that is the conjugate base of (S)-2-chloropropanoic acid obtained by deprotonation of the carboxy group.


An amidobenzoate that is the conjugate base of 4-acetamidosalicylic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


kynureninate

An alpha-amino-acid anion obtained by the deprotonation of the carboxy group of kynurenine.


A citrate(2-) that is the dianion obtained by the deprotonation of the terminal carboxy groups of citric acid.


A dicarboxylic acid dianion obtained by the deprotonation of the carboxy groups of terephthalic acid.


prostaglandin A1(1-)

Conjugate base of prostaglandin A1.


remazole orange-3R(2-)

The organosulfonate oxoanion that is the dianionic form of the azo dye remazole orange-3R.


A dimethylbenzoate in which the two methyl groups are located at positions 2 and 6.


A 1-pyrrolinecarboxylate resulting from the removal of the proton from the carboxy group of 1-pyrroline-5-carboxylic acid.


An organophosphate oxoanion obtained by deprotonation of the carboxy, thiocarboxy and phosphate OH groups of pyridinium-3-carboxy-5-thiocarboxylic acid mononucleotide; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (1R,5aS,6R)-1,4,5,5a,6,9-hexahydrophenazine-1,6-dicarboxylic acid; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of 3-[(1-carboxyvinyl)oxy]benzoic acid; major species at pH 7.3.


N-arachidonoyl-L-alaninate

An N-acyl-L-alpha-amino acid anion that is the conjugate base of N-arachidonoyl-L-alanine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-arachidonoylglycinate

Conjugate base of N-arachidonoylglycine.


A 3beta-hydroxycholest-5-en-26-oate in which the stereocentre at position 25 has R-configuration.


A hydroxy monocarboxylic acid anion that is the conjugate base of 3-hydroxy-5-oxohexanoic acid obtained by deprotonation of the carboxy group.


A dodecenoate that is the conjugate base of 5-dodecenoic acid.


The L-enantiomer of histidinate(1-),


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy group of ganglioside GM3 (d18:1/C18:0); major species at pH 7.3.


The D-enantiomer of histidinate(2-).


octadecanedioate

A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of octadecanedioic acid.


A monocarboxylic acid anion resulting from the dprotonation of the carboxy group of 4-(2,4-dichlorophenoxy)butanoic acid (2,4-DB). The major species at pH 7.3.


(+)-abscisate

An abscisic acid  anion derived from (+)-abscisic acid.


A phosphoglycerate obtained by deprotonation of the carboxy and phosphate OH groups of 2-phosphoglyceric acid.


estrone 3-sulfate(1-)

The conjugate base of estrone 3-sulfate; major species at pH 7.3.


hydroxy fatty acid anion

The conjugate base of any hydroxy fatty acid, formed by deprotonation of the carboxylic acid moiety.


A precorrin carboxylic acid anion that is the hexaanionic form of precorrin-3B.


An icosanoid anion that is the conjugate base of 8,20-DiHETE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


Dicarboxylate anion of 3-ethylmalic acid.


An oxo fatty acid anion resulting from the deprotonation of the carboxy group of 2-oxododecanoic acid. The major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of steviol, obtained by deprotonation of the carboxy group.


thiazolidinemonocarboxylate

A monocarboxylic acid anion comprising any thiazolidine carrying a single carboxylate substiuent.


A mannarate(2-) that is the dianion obtained by the deprotonation of the carboxy groups of D-mannaric acid.


5-deoxy-5-aminoshikimic acid zwitterion

Major microspecies at pH 7.3.


N-arachidonoyl-gamma-aminobutyrate

A monocarboxylic acid anion that is the conjugate base of N-arachidonoyl-gamma-aminobutyric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A  pyridinedicarboxylate that is the conjugate base of dipicolinate(1-)


A carbohydrate acid anion resulting from the removal of a proton from the carboxylic acid group of D-glucaro-1,4-lactone; major species at pH 7.3.


A methyl-branched fatty acid anion that is the conjugate base of 2,6-dimethylheptanoic acid, arising from the deprotonation of the carboxy group.


A steroid acid anion resulting from the deprotonation of the carboxy group of 3beta-hydroxy-5alpha-ergosta-7,24(28)-diene-4alpha-carboxylic acid. The major species at pH 7.3.


An icosanoid anion anion that is the conjugate base of 12(S)-HETrE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


name: primary fluorescent chlorophyll catabolite(2-)

description: Dianion of primary fluorescent chlorophyll catabolite.


A monocarboxylic acid anion that is the conjugate base of zofenoprilat, obtained by deprotonation of the carboxy group.


A dicarboxylic acid dianion which results from the removal of a proton from each of the carboxylic acid groups of N-(4-aminobenzoyl)-L-glutamic acid.


A 2-oxo monocarboxylic acid anion that is the conjugate base of (3E)-3-[(1R,5R,6S)-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-ylidene]pyruvic acid, obtained by deprotonation of the carboxy group.


name: omega-methyl-medium-chain fatty acid anion

description: A medium-chain fatty acid anion obtained by deprotonation of the carboxy group of any omega-methyl fatty acid; major species at pH 7.3.


A dicarboxylic acid monoanion that is the conjugate base of (2S)-2-[(R)-1-carboxyethylamino]pentanoic acid.


A hydroperoxydocosapentaenoate that is the conjugate base of 17-HPDoPE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


gibberellin A44(1-)

Conjugate base of gibberellin A44.


N-(long-chain-fatty-acyl)-L-glutamate

A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of any N-(long-chain-fatty-acyl)-L-glutamic acid; major species at pH 7.3.


Conjugate base of 2,2'-iminodipropanoic acid having both carboxy groups in anionic form and the nitrogen protonated.


methoxymycolate type-1 (VI')

The conjugate base of methoxymycolic acid type-1 (VI'). A class of mycolic acids characterized by the presence of two proximal cis-cyclopropyl groups and a distal (CH-CH3)-(CHO-CH3) fragment of (S,S) stereochemistry in the meromycolic chain.


A polyunsaturated fatty acid anion that is the conjugate base of (9Z,12Z,15Z,18Z)-tetracosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hexatriacontapentaenoate that is the conjugate base of (21Z,24Z,27Z,30Z,33Z)-hexatriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


7-methyloctyl sulfate

An organosulfate oxoanion that is the conjugate base of 7-methyloctyl hydrogen sulfate. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


The carbohydrate acid derivative anion formed from beta-D-GlcA-(1->3)-beta-D-Gal-OC6H4-4-OMe by loss of a proton from its carboxy group.


A 13-HETE anion that is the conjugate base of 13(S)-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A lipid A oxoanion obtained via deprotonation of the carboxy and phosphate OH groups of an alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-lipid A with unspecified (3R)-3-hydroxyacyl chains.


phomoidride A(1-)

Major species at pH 7.3


Conjugate base of 7(S),8(S)-DiHODE arising from deprotonation of the carboxylic acid function.


long-chain fatty acid anion

A fatty acid anion with a chain length of C13 to C22.


Dicarboxylate anion of (R)-2-benzylsuccinic acid.


An octadecanoid anion that is the conjugate base of (9Z,11Z,13S,15Z)-12,13-epoxyoctadecatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Dicarboxylate anion of 2-hydroxyadipic acid; major species at pH 7.3.


An 11-hydroxylaurate obtained by deprotonation of the carboxy group of (11R)-hydroxylauric acid; major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GQ1c; major species at pH 7.3.


An epoxystearate resulting from the deprotonation of the carboxy group of 9,10-epoxyoctadecanoic acid (i.e. conjugate base of 9,10-epoxyoctadecanoic acid); the major species at pH 7.3.


thio fatty acid anion

The conjugate base of any thio fatty acid, formed by deprotonation of the carboxylic acid moiety.


Conjugate base of (9Z,11E,13S,15Z)-13-hydroperoxyoctadeca-9,11,15-trienoic acid.


An aldehydic acid anion resulting from the deprotonation of the carboxy group of (R)-3-hydroxy-4-oxobutanoic acid.


A hydroxy monocarboxylic acid anion that is the conjugate base of stipitatic acid, obtained by deprotonation of the carboxy group. Major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


N-hydroxypentahomomethioninate

Conjugate base of N-hydroxypentahomomethionine.


A hydroxy fatty acid anion that is the conjugate base of 3,16-dihydroxyhexadecanoic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of quinoline-4-carboxylic acid.


Trianion of 1-carboxyvinyl carboxyphosphonate arising from deprotonation of the carboxy and phosphonate groups; major species at pH 7.3.


A triply-charged organophosphate oxoanion arising from deprotonation of the carboxylic acid and phosphate OH groups of (2S)-2-amino-3-oxo-4-(phosphonooxy)butanoic acid; major species at pH 7.3.


A 6-oxo monocarboxylic acid anion which is obtained by removal of a proton from the carboxylic acid group of 6-(2-aminophenyl)-2-hydroxy-6-oxohexa-2,4-dienoic acid.


Tricarboxylate anion of of (2E)-but-2-ene-1,2,3-tricarboxylic acid.


asnovolin I(1-)

A monocarboxylic acid anion that is the conjugate base of asnovolin I resulting from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


A dicarboxylic acid monoanion that is the conjugate base of O-methylmalonylcarnitine; major species at pH 7.3.


deoxylimononate D-ring-lactone(2-)

Dianion of deoxylimonoic acid D-ring-lactone arising from deprotonation of both carboxy groups.


Dicarboxylate anion of  5-(3-carboxy-3-oxopropenyl)-4,6-dihydroxypyridine-2-carboxylic acid; major species at pH 7.3.


An N-acyl-L-alpha-amino acid anion resulting from deprotonation of both carboxy groups and protonation of the amino group of 3-hydroxy-L-glutamic acid.


The D-enantiomer of cysteinate(2-).


A C4-dicarboxylate resuting from deprotonation of both carboxy groups of dihydroxyfumaric acid.


An N-acyl-L-alpha-amino acid anion resulting from deprotonation of both carboxy groups of N-acetyl-L-glutamic acid.


A monocarboxylic acid anion that is the conjugate base of 12-[(9Z)-hexadecenoyloxy]octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An anionic ganglioside obtasined by deprotonation of the carboxy groups of any alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-D-Gal-(1<->1')-ceramide; major species at pH 7.3.


A carboxylic acid anion resulting from the deprotonation of the carboxy group of 2-iodohippuric acid.


Conjugate base of (R)-S-lactoylglutathione.


A doubly-charged organophosphate oxoanion arising from deprotonation of the carboxy and phosphate OH groups of the cationic species 5,10-(methanylylidene)tetrahydromethanopterin; major species at pH 7.3.


An oxo monocarboxylic acid anion that is the conjugate base of 8-[(1R,2R)-3-oxo-2-{(Z)-pent-2-en-1-yl}cyclopentyl]octanoic acid resulting from the deprotonation of the carboxy group; major species at pH 7.3.


An optically active form of tyrosinate(1-) having D-configuration.


Dianion of 1-deoxy-D-altro-heptulose 7-phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3.


A docosanoid anion that is the conjugate base of (7Z,10Z,16Z,19Z)-13,14-epoxydocosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The organosulfate oxoanion formed by deprotonation of the sulfo group in beta-D-GlcpNAc-(1->4)-alpha-D-Glcp2Ac6SOPr.


HPETE anion

An anion arising from deprotonation of the carboxylic acid function of any mono-hydroperoxy (e)icosatetraenoic acid (HPETE)


resolvin D1(1-)

A polyunsaturated fatty acid anion that is the conjugate base of resolvin D1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of 3-hydroxy-4-methylanthranilic acid.


amidobenzoate

Any benzoate anion carrying one or more amido substituents.


heme d cis-diol(2-)

A dicarboxylic acid dianion resulting from the removal of a proton from both of the carboxy groups of heme d cis-diol.


20-hydroxy-leukotriene B4(1-)

Conjugate base of 20-hydroxy-leukotriene B4 arising from deprotonation of the carboxylic acid function.


HETE anion

An icosanoid anion arising from deprotonation of the carboxylic acid function of any hydroxyicosatetraenoic acid.


N-acetyl-D-tryptophanate

The conjugate base of N-acetyl-D-tryptophan; major species at pH 7.3.


An optically active form of 3-isopropenyl-6-oxoheptanoate having (3R)-configuration.


N,N-dihydroxy-L-pentahomomethioninate

An N,N-dihydroxy-L-polyhomomethioninate that is the conjugate base of N,N-dihydroxy-L-pentahomomethionine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A chlorobenzoate obtained by deprotonation of the carboxy group of 3,5-dichlorobenzoic acid. The major species at pH 7.3.


A hydroxy fatty acid anion that is the conjugate base of 2-hydroxybutyric acid, obtained by deprotonation of the carboxy group.


laccaic acid D(1-)

A monocarboxylic acid that is the conjugate base of  laccaic acid D, obtained from the deprotonation of the carboxy group. Major species at pH 7.3.


An N-acyl-L-alpha-amino acid anion that is the conjugate base of N(2)-acyl-L-glutamine, obtained by deprotonation of the carboxy group; major structure at pH 7.3.


A steroid sulfate oxoanion obtained by deprotonation of the sulfo group of any 5alpha-androstan-3alpha,17alpha-diol monosulfate.


A steroid glucuronide anion that is the conjugate base of cholic acid 24-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


D-apionate

Major microspecies at pH 7.3


Major microspecies at pH 7.3.


Dicarboxylate anion of sinapoyltartronic acid.


A keto-D-gluconate that is the conjugate base of 2-dehydro-D-gluconic acid, obtained by deprotonation of the carboxy group.


aldehydic acid anion

A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of an aldehydic acid.


Dicarboxylate anion of (3Z)-phytochromobilin.


oxalate

A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of oxalic acid.


A carbohydrate acid anion that is the conjugate base of 2-keto-3-deoxy-L-galactonic acid, obtained by deprotonation of the carboxy group.


A doubly-charged L-alpha-amino acid anion resulting from deprotonation of both carboxy groups of 4-hydroxy-L-glutamic acid.


nickel-sirohydrochlorin a,c-diamide(6-)

A cyclic tetrapyrrole anion obtained by deprotonation of the carboxy groups of nickel-sirohydrochlorin a,c-diamide; major species at pH 7.3.


prostaglandin A3(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin A3, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A prostaglandin carboxylic acid anion that is the conjugate base of 15-deoxy-Delta(12,14)-prostaglandin J2. obtained by deprotonation of the carboxy group; major species at pH 7.3.


Major species at pH 7.3.


globostellatate C(1-)

An oxo monocarboxylic acid anion obtained by the deprotonation of the carboxylic group of globostellatic acid C.


Dicarboxylate anion of 2-methylideneglutaric acid; major species at pH 7.3.


ganglioside GQ1(4-)

An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of any member of the GQ1 family of gangliosides; major species at pH 7.3.


desferrialbomycin delta2(3-)

A hydroxamic acid anion resulting from the removal of a proton from each of the hydroxamic acid groups of desferrialbomycin delta2.


A furancarboxylate that is the conjugate base of 2-furoic acid.


A carbohydrate acid derivative anion that is the conjugate base of N-acetyl-beta-muramic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 6-formamidopenicillanic acid, formed by proton loss from the carboxy group.


(18S)-resolvin E2(1-)

An icosanoid anion that is the conjugate base of (18S)-resolvin E2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


prostaglandin J2(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin J2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A chlorobenzoate carrying the chloro group at position 2.


A monocarboxylic acid anion that is the conjugate base of 3-(3-hydroxyphenyl)propanoic acid.


beta-D-gentiobiosyl crocetin(1-)

A carboxylic acid anion resulting from the removal of a proton from the carboxylic acid group of beta-D-gentiobiosyl crocetin. The major species at pH 7.3.


ketomycolate type-2 (XII)

The conjugate base of ketomycolic acid type-2 (XII). A class of mycolic acids characterized by the presence of a proximal alkenyl group with a trans C=C double bond and a distal oxo group and a (CH-CH3) fragment of (S) stereochemistry in the meromycolic chain.


A branched-chain saturated fatty acid anion that is nonanoate with methyl branches at C-4 and C-8. Major species at pH 7.3.


The dianion obtained by removal of a proton from both carboxyic acid groups of 4-(4-deoxy-alpha-D-gluc-4-enosyluronic acid)-D-galacturonic acid.


N-carbamoyl-beta-alaninate

A monocarboxylic acid anion that is the conjugate base of N-carbamoyl-beta-alanine arising from deprotonation of the carboxy group.


An anionic phospholipid that is the conjugate base of 1-palmitoyl-2-azelaoyl-sn-glycero-3-phosphocholine, obtained by deprotonation of the free carboxy group; major species at pH 7.3.


An oxo monocarboxylic acid anion obtained by deprotonation of the carboxy group of (1R,2R,5S)-AH23848.


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxyarachidic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


staphyloferrin B(2-)

A tricarboxylic acid dianion obtained by deprotonation of the three carboxy groups and protonation of the amino group of staphyloferrin B; major species at pH 7.3.


The trans-isomer of 2-coumarate.


prostaglandin E3(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin E3, obtained by deprotonation of the carboxy group; major species at pH 7.3.


homogentisate

A dihydroxy monocarboxylic acid anion that is the conjugate base of (2,6-dihydroxyphenyl)acetic (homogentisic) acid, arising from deprotonation of the carboxy group.


An organosulfate oxoanion resulting from the removal of a proton from both the carboxy group and the sulfate group of 2-acetamido-2-deoxy-3-O-(4-deoxy-alpha-L-threo-hex-4-enopyranosyluronic acid)-6-O-sulfo-D-galactopyranose arising from deprotonation of carboxy and sulfate groups; major species at pH 7.3.


Conjugate base of 4-methylene-L-glutamic acid.


A hydroxy monocarboxylic acid anion that is the conjugate base of 9-riburonosylhypoxanthine; major species at pH 7.3.


A dicarboxylic acid dianion resulting from the deprotonation of both of the carboxy groups of N-(4-carboxy-4-oxobutanoyl)-L-ethylglycylglycine. The major species at pH 7.3.


A monocarboxylic acid anion obtained by deprotonation of the carboxy and sulfino groups of 3-sulfinopropionic acid. Major microspecies at pH 7.3


The carboxylate anion of a 1,2-diacyl-3-[3-(alpha-D-N-acetylneuraminyl)-beta-D-galactosyl]-sn-glycerol.


A benzoate anion arising from deprotonation of the carboxy group of 2-formylbenzoic acid; major species at pH 7.3.


A dihydroxydocosahexaenoate that is the conjugate base of (4Z,7Z,10Z,12E,14S,16Z,19Z,21S)-dihydroxydocosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hexuronate that results from the removal of a proton from the carboxy group of 2-O-(4-deoxy-beta-L-threo-hex-4-enopyranuronosyl)-alpha-L-rhamnopyranose.


N-hydroxy-L-hexahomomethioninate

An N-hydroxy-L-polyhomomethioninate that is the conjugate base of N-hydroxy-L-hexahomomethionine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A tricarboxylic acid trianion that is the conjugate base of oxalosuccinic acid.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of furan-2,5-dicarboxylic acid; major species at pH 7.3.


15-dehydro-prostaglandin I2(1-)

Conjugate base of 15-dehydro-prostaglandin I2.


D-leucinate

The D-enantiomer of leucinate.


The dianion obtained by removal of two protons from the phosphate group of D-glycero-alpha-D-manno-heptose 7-phosphate.


A dicarboxylic acid dianion resulting from the deprotonation of the two carboxy groups of 5-methyltetrahydrofolic acid; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 3-O-(4-deoxy-alpha-L-threo-hex-4-enopyranosyluronic acid)-D-galactosamine; major species at pH 7.3.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (R)-imazapic.


4-methylumbelliferone sulfate(1-)

An organosulfate oxoanion that is the conjugate base of 4-methylumbelliferone sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


An omega-oxo fatty acid anion that is the conjugate base of 16-oxohexadecanoic acid, arising from the deprotonation of the carboxy group; major species at pH 7.3.


glycochenodeoxycholate 7-sulfate(2-)

A steroid sulfate oxoanion obtained by deprotonation of the carboxylic acid and sulfate functions of glycochenodeoxycholic acid 7-sulfate.


A tricarboxylic acid anion obtained by deprotonation of the carboxy and phosphate groups of 5,6,7,8-tetrahydrosarcinapterin; major species at pH 7.3.


A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of (S)-dichlorprop. The major species at pH 7.3


A steroid glucuronide anion that is the conjugate base of estrone 4-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


An  organic sulfamate oxoanion that is the conjugate base of (3Z)-dec-3-en-1-ylsulfamic acid. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


ent-Photinus luciferin(1-)

A monocarboxylic acid anion that is the conjugate base of ent-Photinus luciferin, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose arising from deprotonation of the neuraminosyl carboxy group; major species at pH 7.3.


A dicarboxylic acid dianion obtained via deprotonation of both carboxy groups of 2-oxo-2H-pyran-4,6-dicarboxylic acid; major species at pH 7.3.


An unsaturated fatty acid anion resulting from the removal of a proton from the carboxy group of (9Z,13S,15Z)-12,13-epoxyoctadeca-9,11,15-trienoic acid.


A hydroxy fatty acid anion that is the conjugate base of 7-hydroxylauric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


grixazone B(2-)

An L-alpha-amino-acid anion obtained by deprotonation of the two carboxy groups of grixazone B.


3'-phosphonato-5'-adenylyl sulfate(4-)

A quadruply-charged organophosphate oxoanion arising from deprotonation of the phosphate and sufate groups of 3'-phosphonato-5'-adenylyl sulfate; major species at pH 7.3.


A penicillinate anion formed by loss of a proton from the carboxy function of benzylpenicilloyl-butylamine.


A 17,18-EETeTr(1-) in which the epoxy group has (17S,18R)-configuration.


Conjugate base of S-(hydroxymethyl)glutathione.


D-lysinate

An optically active form of lysinate having D-configuration.


Fully deprotonated form of 5-diphospho-1D-myo-inositol 1,3,4,6-tetrakisphosphate; major species at pH 7.3


A tricarboxylic acid trianion resulting from the deprotonation of all three hydroxy groups of nitrilotriacetic acid.


An organophosphate oxoanion obtained by deprotonation of the phosphate, carboxy and 3-imido groups of 8-formyl-8-demethylriboflavin 5'-phosphate. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A branched-chain saturated fatty acid anion resulting from the deprotonation of the carboxy group of (S)-2-methylbutanoic acid. The major species at pH 7.3.


A dicarboxylic acid dianion arising from deprotonation of the carboxy groups of cis-4,5-dihydroxycyclohexa-2,6-diene-1,2-dicarboxylic acid; major species at pH 7.3.


An icosanoid anion that is the conjugate base of 18(R)-HEPE arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


An allaric acid anion that is the dianion resulting from the deprotonation of both the carboxy groups of allaric acid.


Major species at pH 7.3


An organosulfate oxoanion that is the conjugate base of 2-palmitoyl-3,6,6'-tristearoyl-2'-sulfo-alpha,alpha-trehalose arising from deprotonation of the sulfate OH group; major species at pH 7.3.


N-acetyl-D-glucosaminate

A monocarboxylic acid anion resulting from deprotonation of the carboxy group of N-acetyl-D-glucosaminic acid; major species at pH 7.3.


A precorrin carboxylic acid anion obtained by deprotonation of the carboxy groups of cobalt-precorrin-2; major species at pH 7.3.


20-hydroxylipoxin A4(1-)

A lipoxin anion that is the conjugate base of 20-hydroxylipoxin A4 arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


The carbohydrate acid derivative anion formed from beta-D-GlcA3S-(1->3)-beta-D-Gal-(1->4)-D-GlcNAc by loss of two protons, one from each of its sulfo and carboxy groups.


A steroid acid anion that is the conjugate base of 9alpha-hydroxy-3-oxo-23,24-bisnorchol-4-en-22-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


methoxymycolate type-3 (IX')

The conjugate base of methoxymycolic acid type-3 (IX'). A class of mycolic acids characterized by the presence of a proximal cis C=C double bond followed by a cis-cyclopropyl group and a distal (CH-CH3)-(CHO-CH3) fragment of (S,S) stereochemistry in the meromycolic chain.


carboxylic acid dianion

Any dianion containing at least one carboxy group.


A dihydroxy monocarboxylic acid anion that is the conjugate base of (3,5-dihydroxyphenyl)acetic acid, arising from deprotonation of the carboxy group; major microspecies at pH 7.3.


A 6-(2-aminophenyl)-2-hydroxy-6-oxohexa-2,4-dienoate in which the two double bonds adopt E,E-configuration.


An icosanoid anion that is the conjugate base of 5-hydroperoxy-15-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 6-oxo monocarboxylic acid anion that is the conjugate base of (2E,4Z)-4-hydroxy-6-oxohexa-2,4-dienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Trianion of F420-0 arising from deprotonation of the carboxylic acid and phosphate functions as well as the 3-position on the pyrimidinoquinoline ring system; major species at pH 7.3.


tetracenomycin F1(1-)

A hydroxy monocarboxylic acid anion that is the conjugate base of tetracenomycin F1, obtained by deprotonation of the carboxy group.


fumisoquin C(1-)

A monocarboxylic acid anion that is the conjugate base of fumisoquin C, obtained from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


An amino-acid anion that is the conjugate base of 6-aminohexanoic acid.


cerotate

The conjugate base of cerotic acid.


name: aromatic 2-oxo monocarboxylic acid anion

description: A 2-oxo monocarboxylic acid anion ontained by deprotonation of the carboxy group of any aromatic 2-oxo monocarboxylic acid; major species at pH 7.3. In the structure shown R is an aromatic group.


A dicarboxylic acid dianion resulting from the deprotonation of both of the carboxy groups of 4,4'-disulfanyldibutanoic acid.


A hydroperoxydocosahexaenoate that is the conjugate base of (17S)-HPDoHE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)-[alpha-N-acetylneuraminosyl-(2->3)]-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide(2-) in which the ceramide N-acyl group is specified as octadecanoyl (stearoyl).


A D-alpha-amino acid anion which is obtained from (3S)-3-hydroxy-D-aspartic acid by formal deprotonation of both carboxyl groups and protonation of the amino group.


A chlorophenoxyacetate anion obtained by deprotonation of the carboxy group of (2,4,5-trichlorophenoxy)acetic acid.


bacteriochlorophyllide a(2-)

A cyclic tetrapyrrole anion that is obtained from bacteriochlorophyllide a via deprotonation of the carboxy group and formation of a carbide ion. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A hydrogen butenedioate that is the  conjugate base of maleic acid.


A monocarboxylic acid anion that is the conjugate base of (S)-lorglumide, obtained by deprotonation of the carboxy group.


A hydroxy fatty acid anion that is the conjugate base of 9-hydroxylauric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N(omega)-phosphonato-L-arginine

Conjugate base of N(omega)-phospho-L-arginine having anionic carboxy and phosphate groups and protonated amino and guanidino nitrogens.


A hydroxy monounsaturated fatty acid anion arising from the deprotonation of the carboxy group of (2E)-4-hydroxynon-2-enoic acid.


The 1-pyrrolinecarboxylate formed by deprotonation of the carboxy group of (3R,5S)-1-pyrroline-3-hydroxy-5-carboxylic acid; principal microspecies at pH 7.3.


An alpha-amino-acid anion that is the conjugate base of 3-sulfino-L-alanine, arising from deprotonation of the sulfino and carboxy groups and protonation of the amino group; major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of 5-[(E)-caffeoyl]shikimic acid. Major structure at pH 7.3


A steroid acid anion that is the conjugate base of 7alpha-hydroxy-3-oxo-4-cholestenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3


A sulfonium betaine that is the conjugate base of S-adenosyl-4-methylthio-2-oxobutanoic acid, arising from deprotonation of the carboxy group.


A N-(fatty acyl)-L-serine(1-) that is the conjugate base of N-arachidonoyl-L-serine, resulting from the derotonation of the carboxy group. Major species at pH 7.3.


The steroid acid anion formed by proton loss from the carboxy group of 3alpha,7alpha,12alpha,24-tetrahydroxy-5beta-cholestan-26-oic acid; major micro-species at pH 7.3.


ferroheme d1(4-)

A cyclic tetrapyrrole anion arising from deprotonation of the four carboxy groups of ferroheme d1; major species at pH 7.3.


An icosanoid anion that is the conjugate base of 5(S),15(R)-DiHETE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of 6-hydroxyphenazine-1-carboxylic acid resulting from the deprotonation of the carboxy group; major microspecies at pH 7.3.


organosulfate oxoanion

An organic anion of general formula RS(=O)2O(-) where R is an organyl group.


phenguignardate

A monocarboxylic acid anion that is the conjugate base of phenguignardic acid, obtained from the derotonation of the carboxy group. Major species at pH 7.3.


An optically active form of 1-piperideine-6-carboxylate having (S)-configuration.


icosapentaenoate

A C20, straight-chain, polyunsaturated fatty acid anion containing five double bonds.


hydroxyoctanoate

A hydroxy fatty acid anion that is octanoate (caprylate) substituted by a hydroxy group at any position.


Dicarboxylate anion of 3,4-dihydroxyphthalic acid; major species at pH 7.3.


A hydroperoxyicosatrienoate that is the conjugate base of (8Z,11Z,14Z)-10-hydroperoxyicosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An hydroxy monocarboxylic acid anion resulting from the deprotonation of the carboxy group of any (2R,3S)-2-alkyl-3-hydroxyalkanoic acid.


A monocarboxylic acid anion that is the conjugate base of 12-(octadecanoyloxy)octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 5alpha-androstane-3alpha,17beta-diol 17-glucosiduronic acid


alpha-L-iduronate

Conjugate base of alpha-L-iduronic acid.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of neurosporaxanthin. The major species at pH 7.3.


A dicarboxylic acid monoanion that is the conjugate base of 2-(2-carboxyethyl)-4-methyl-5-propylfuran-3-carboxylic acid.


Major species at pH 7.3.


An omega-hydroxy fatty acid anion that is the conjugate base of 18-hydroxyoleic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of 12alpha-hydroxy-3-oxochola-4,6-dien-24-oic acid.


A monocarboxylic acid anion that is the conjugate base of 6-ketopiperidine-2-carboxylic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of triacetic acid; major species at pH 7.3.


A (7Z,10Z,13Z,15E,19Z)-17-hydroperoxydocosapentaenoate in which the chiral centre at position 17 has S-configuration. An intermediate of specialised proresolving mediators.


Conjugate base of alpha,beta-didehydrotryptophan.


A hydroxy monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (3R)-3-{[(3R)-3-{[(3R)-3-{[(3R)-3-hydroxybutanoyl]oxy}butanoyl]oxy}butanoyl]oxy}butanoic acid. A tetramer of (3R)-hydroxybutanoate; the major microspecies at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of N-[(9-beta-D-ribofuranosylpurin-6-yl)carbamoyl]threonine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hexuronate that results from the removal of a proton from the carboxy group of 4-deoxy-beta-L-threo-hex-4-enopyranuronic acid.


A sulfur-containing amino-acid anion that is the conjugate base of cysteine, obtained by deprotonation of the carboxy group.


(2R)-2-hydroxy fatty acid anion

A 2-hydroxy fatty acid anion obtained by deprotonation of the carboxy group of any (R)-2-hydroxy fatty acid.


A 4-(3-hydroxy-1-benzothiophen-2-yl)-2-oxobut-3-enoate in which the acyclic double bond has Z-geometry.


A 5-oxo monocarboxylic acid anion that is the conjugate base of 1-deoxy-11-oxopentalenic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of (S)-3-methyl-2-oxopentanoic acid.


Conjugate base of erythro-3-methyl-L-aspartic acid, major microspecies at pH 7.3.


epoxy monocarboxylic acid anion

Any monocarboxylic acid anion containing at least one epoxy group.


An N-acyl-(2S)-hydroxyglycinate resulting from the deprotonation of the carboxy group of N-decanoyl-(2S)-hydroxyglycine. The major species at pH 7.3.


An (omega-1)-hydroxy fatty acid anion that is the conjugate base of 13-hydroxymyristic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 3-hydroxy fatty acid anion that is the conjugate base of 3-hydroxydecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A polyunsaturated fatty acid anion that is the conjugate base of 19-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-hydroxyhexahomomethioninate

Conjugate base of N-hydroxyhexahomomethionine.


hydroxydocosapentaenoate

A docosanoid anion that is any docosapentaenoate carrying a hydroxy substituent on its carbon chain.


A steroid sulfate oxoanion that is the conjugate base of (3alpha,5alpha,17beta)-17-hydroxyandrostan-3-yl sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


vanillyl alcohol monosulfate(1-)

An organosulfate oxoanion obtained by deprotonation of the sulfo group of any vanillyl alcohol monosulfate.


A long-chain fatty acid anion that is the conjugate base of 5-PAHSA, obtained by deprotonation of the carboxy group; major species at pH 7.3.


ochratoxin A(1-)

A monocarboxylic acid anion that is conjugate base of ochratoxin A, arising from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


A bile acid anion that is the conjugate base of 3alpha,7alpha,12beta-trihydroxy-5beta-cholanic acid, obtained by deprotonation of the carboxy group.


2-hydroxy carboxylate

The conjugate base of a 2-hydroxy carboxylic acid.


A cholanic acid conjugate anion that is the conjugate base of 7-oxoglycodeoxycholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An organophosphate oxoanion resulting from the deprotonation of the carboxy group and the phosphate OH groups of 1-phospho-alpha-D-galacturonic acid. The major species at pH 7.3.


prostaglandin D1(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin D1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#16, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-octanoylglycinate

An N-acylglycinate resulting from the deprotonation of the carboxy group of N-octanoylglycine. The conjugate base of N-octanoylglycine; major species at pH 7.3.


Major microspecies at pH 7.3


name: heparan sulfate alpha-D-N-sulfoglucosamine polyanion

description: A carbohydrate acid derivative anion arising from deprotonation of the carboxylic acid and sulfate groups of the repeating units of heparan sulfate alpha-D-glucosaminide N-sulfate; major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is obtained by removal of a proton from the carboxyl group of 2-O-(alpha-D-glucopyranosyl)-D-glyceric acid.


Conjugate base of (2E,6E,10R,11S)-10,11-epoxy-3,7,11-trimethyltrideca-2,6-dienoic acid.


A polyunsaturated fatty acid anion that is the conjugate base of 14-HPDHE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


monacolin L carboxylate

A hydroxy monocarboxylic acid anion that is the conjugate base of monacolin L acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An organophosphate oxoanion obtained by removal of the protons from the carboxy and phosphate groups of 2-O-(alpha-D-glucopyranosyl)-3-O-phospho-D-glyceric acid; major species at pH 7.3.


difluoroacetate

A monocarboxylic acid anion that is obtained by removal of a proton from the carboxylic acid group of difluoroacetic acid.


Tricarboxylate anion of (2S,3S)-2-hydroxytridecane-1,2,3-tricarboxylic acid.


alpha-D-glucuronate

A D-glucopyranuronate that has alpha configuration at the anomeric centre.


A (10E,12Z,15Z)-9-hydroperoxyoctadeca-10,12,15-trienoate in which the chiral centre has S configuration.


A polyunsaturated fatty acid anion that is the conjugate base of (3E,5Z)-dodecadienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


lactobionate

A gluconate that is the conjugate base of lactobionic acid arising from the deprotonation of the carboxy group.


cochalate

A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of cochalic acid. The major species at pH 7.3.


An N-acetylphosphinatothricinate(2-) obtained by deprotonation of carboxylic acid and phosphinate functions of N-acetyl-L-phosphinothricin; major species at pH 7.3.


calcidiol 3-O-(beta-D-glucuronate)

A steroid glucuronide anion that is the conjugate base of calcidiol 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


methyl-4-hydroxybenzoate O-sulfate(1-)

A phenyl sulfate oxoanion that is the conjugate base of methyl-4-hydroxybenzoate O-sulfate, obtained by deprotonation of the sulfate group; major species at pH 7.3.


3-vinylbacteriochlorophyllide d(1-)

A cyclic tetrapyrrole anion that is the conjugate base of 3-vinylbacteriochlorophyllide d, obtained by deprotonation of the carboxy group; major species at pH 7.3.


6-trans-leukotriene B4(1-)

A leukotriene anion that is the conjugate base of 6-trans-leukotriene B4 arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A C76 alpha-mycolate having a C52 meromycolic chain with two cis cyclopropyl functions and a saturated C24 alpha-branch. It is produced by Mycobacterium tuberculosis H37Ra.


A monocarboxylic acid anion that is the conjugate base of pentalenolactone, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A polyunsaturated fatty acid anion that is the conjugate base of (16Z,19Z,22Z,25Z,28Z,31Z)-tetratriacontahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A mannaric acid anion that is a dianion obtained by the deprotonation of both the carboxy groups of mannaric acid.


hyocholate 6-O-(beta-D-glucuronide)(2-)

A steroid glucuronide anion that is the conjugate base of hyocholic acid 6-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid functions; major species at pH 7.3.


A bile acid anion that is the conjugate base of 3beta,7alpha-dihydroxy-5beta-cholan-24-oic acid, obtained by deprotonation of the carboxy group. The 3beta-hydroxy epimer of chenodeoxycholate. It is the major microspecies at pH 7.3.


The conjugate base of 1,4,5,6-tetrahydro-6-oxonicotinic acid; major species at pH 7.3.


(R)-mandelate

A mandelate that is the conjugate base of (R)-mandelic acid.


A branched polysaccharide acid oxoanion comprised of an octasaccharide repeating unit consisting of a backbone of two glucose and two glucuronic acid residues, and a side chain of three glucose and one galactose residues. The octasaccharide is modified by two pyruvyl and two non-stoichiometric O-acetyl groups, and one non-stoichiometric hydroxybutanoyl group. Note thet the structure shown and its molfile represent only one of the possible substitution patterns.


henicosanoate

A long-chain fatty acid anion resulting from the deprotonation of the carboxy group of henicosanoic acid. Major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of trans,trans-2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An (omega-1)-hydroxy fatty acid anion that is the conjugate base of 19-HETrE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A polyunsaturated oxo fatty acid anion that is the conjugate base of 11-oxo-ETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


valerenate

A monocarboxylic acid anion that is the conjugate base of valerenic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A organophosphonate oxoanion obtained by deprotonation of the carboxy and one of the ohopsphonate OH groups of phosphonoformic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A carbohydrate acid derivative anion obtained by deprotonation of the carboxy group of any alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminide; major species ar pH 7.3.


glycocholic acid glucuronide anion

A steroid acid anion obtained by deprotonation of at least one of the carboxy groups of any glycocholic acid glucuronide.


ganglioside GT1(3-)

An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of any member of the GT1 family of gangliosides; major species at pH 7.3.


Tricarboxylate anion of homocitric acid.


A HPETE anion that is the conjugate base of 15-HPETE arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


Dianion of bis-gamma-glutamylcystine arising from deprotonation of all four carboxy groups and protonation of both amino groups; major species at pH 7.3.


fusidate

A steroid acid anion that is the conjugate base of fusidic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 5-hydroxypenta-2,4-diene-1,2,5-tricarboxylate(3-) that is the  conjugate base of (2Z,4E)-5-hydroxypenta-2,4-diene-1,2,5-tricarboxylic acid


A long-chain fatty acid anion that is the conjugate base of 8-PAHSA, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An alpha-D-GalpA-(1->4)-D-GalpA(2-) in which both galacturonate units have alpha-D configuration.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of 3-aci-nitropropanoic acid.


A 3-methoxy-4-hydroxy-5-all-trans-polyprenylbenzoate in which the polyprenyl chain contains 10 prenyl units; major species at pH 7.3.


A hydroxyeicosadienoate that is the conjugate base of 15(S)-HEDE, arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A bile acid anion that results from the deprotonation of the carboxy group of chenodeoxycholic acid-3-O-beta-D-glucoside; Major species at pH 7.3.


16-oxoresolvin D2(1-)

A docosanoid anion that is the conjugate base of 16-oxoresolvin D2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An androstane sulfate that is 5alpha-androstan-3alpha,17beta-diol in which the hydroxy hydrogen at position 3 has been replaced by a sulfo group.


A steroid acid anion that is the conjugate base of 4beta-methylzymosterol-4alpha-carboxylic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


dichlorochromopyrrolate

Dicarboxylate anion of dichlorochromopyrrolic acid.


A quinolinemonocarboxylate that is the conjugate base of brequinar arising from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


acyl monophosphate(2-)

The dianion of an acyl monophosphate compound arising from deprotonation of both phosphate OH groups; major species at pH 7.3.


N-acetyl-L-histidinate

The conjugate base of N-acetyl-L-histidine; major species at pH 7.3.


pyridoxamine 5'-phosphate(1-)

An organophosphate oxoanion that is the conjugate base of pyridoxamine 5'-phosphate.


The conjugate base of 3-cyano-L-alanine; major species at pH 7.3.


phosphonatoformate

The trianion resulting from the removal of three protons from phosphonoformic acid.


N,N-dihydroxy-L-valinate

An N,N-dihydroxy-alpha-amino-acid anion resulting from removal of a proton from the carboxylic acid group of N,N-dihydroxy-L-valine.


A steroid sulfate oxoanion that is the conjugate base of (3alpha,5alpha,17beta)-3-hydroxyandrostan-17-yl sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


A straight-chain fatty acid anion and the conjugate base of 6-oxohexanoic acid, formed by deprotonation of the carboxylic acid group.


A monocarboxylic acid anion that is the conjugate base of N-(2-furoyl)glycine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 3,4-dihydroxy-5-polyprenylbenzoate in which the polyprenyl chain contains 9 prenyl units; major species at pH 7.3.


Conjugate base of L-arogenic acid arising from deprotonation of the two carboxy groups and protonation of the amino group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 3-mercapto-2-mercaptomethylpropanoic acid; major species at pH 7.3.


allodeoxycholate

A bile acid anion that is the conjugate base of allodeoxycholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 1-naphthaleneacetic acid, arising from the deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid anion obtained by deprotonation of the two carboxy groups and the 7-hydroxy group of salvianin.


A 2-trans-abscisate obtained by removal of a proton from the carboxy group of (S)-2-trans-abscisic acid.


iminoaspartate

Dicarboxylate anion arising from deprotonation of both carboxylic acid groups of iminoaspartic acid.


bis(beta-glucosyluronate)bilirubin

Conjugate base of bis(beta-glucosyluronic acid)bilirubin.


A hydroxy fatty acid anion that is the conjugate base of omega-hydroxy-15-methyl-palmitic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid monoanion that is the conjugate base of N(2)-succinyl-L-ornithine.


A cholanic acid anion that is the conjugate base of 3alpha,7beta-dihydroxy-12-oxo-5beta-cholan-24-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#26, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An N-acyl-(3-O-sulfo-D-galactosyl)sphingosine(1-) in which the ceramide N-acyl group is composed of 20 carbons and 1 double bond.


7(1)-hydroxychlorophyllide a(2-)

A cyclic tetrapyrrole anion that is derived from 7(1)-hydroxychlorophyllide a via deprotonation of the carboxy group and formation of a carbide ion. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


octadecadienoate

A long-chain, unsaturated fatty acid anion formed by deprotonation of the carboxy group of any octadecadienoic acid; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of docosanedioic acid; major species at pH 7.3.


A monounsaturated fatty acid anion resulting from the deprotonation of the carboxy group of (2E)-3-methylhex-2-enoic acid.


An anionic ganglioside that is the conjugate base of alpha-Neu5Gc-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer arising from deprotonation of the glycoloylneuraminosyl carboxy group; major species at pH 7.3.


L-asparaginate

An optically active form of asparaginate having L-configuration.


Conjugate base of 6-imino-5-oxocyclohexa-1,3-dienecarboxylic acid.


An unsaturated fatty acid anion that is the conjugate base of (8Z,11Z,14Z)-heptadecatrienoic acid, arising from deprotonation of the carboxy group.


A dicarboxylic acid dianion resulting from deprotonation of both carboxy groups of 2,3,4,5-tetrahydrodipicolinic acid.


soyasaponin III(1-)

The monocarboxylic acid anion formed by removal of a proton from the carboxy group of soyasaponin III. It is the major microspecies present at pH 7.3.


N(omega)-methyl-L-argininate

A L-alpha-amino acid anion obtained by deprotonation of the carboxy group of N(omega)-methyl-L-arginine.


Conjugate base of (1S,3R,4S)-3,4-dihydroxycyclohexane-1-carboxylic acid.


A steroid glucuronide anion that is the conjugate base of 16alpha-hydroxyestrone 16-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A hydroxy fatty acid anion that is the conjugate base of (3R,6S)-6-hydroxy-3,7-dimethyloctanoic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


cis,trans-muconate

A muconate that is the dianion obtained by the deprotonation of both the carboxy groups of cis,trans-muconic acid.


coenzyme B(3-)

Trianion of coenzyme B.


aminodeoxyfutalosinate

A 5-oxo monocarboxylic acid anion that is the conjugate base of aminodeoxyfutalosine, arising from deprotonation of the carboxy group; major species at pH 7.3.


An alpha-Neu5NAc-(2->8)-alpha-Neu5NAc-(2->3)-beta-D-Gal-(1<->1')-ceramide(2-) obtained by deprotonation of the carboxy groups of alpha-Neu5NAc-(2->8)-alpha-Neu5NAc-(2->3)-beta-D-Gal-(1<->1')-N-acylsphingosine.


A monocarboxylic acid anion that is obtained by removal of a proton from the carboxylic acid group of 4-hydroxyphenylacetic acid.


A furancarboxylate that is the conjugate base of 5-(dihydroxymethyl)-2-furoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


L-argininate

An L-alpha-amino acid anion that is the conjugate base of L-arginine; obtained by deprotonation of the carboxy group.


undecenoate

A medium-chain fatty acid anion that is the conjugate base of undecenoic acid.


L-ascorbate

The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.


fructoselysine 6-phosphate(1-)

An L-alpha-amino acid anion comprising fructoselysine 6-phosphate having deprotonated carboxy and phosphate groups and both amino groups protonated; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-(4-hydroxycyclohex-2-en-1-ylidene)pyruvic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of N-acetyl-3-methyl-L-histidine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


juvenile hormone I carboxylate

A polyunsaturated fatty acid anion that is the conjugate base of juvenile hormone I carboxylic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A carboxypyridinecarboxylate that is the conjugate base of quinolinic acid.


L-dihomomethionine zwitterion

An L-polyhomomethionine zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-dihomomethionine; major species at pH 7.3.


2-Oxohex-3-enedioate in which the C=C double bond has Z configuration; principal microspecies at pH 7.3.


very long-chain fatty acid anion

Any fatty acid anion with a chain length greater than C22.


alpha-muricholate 7-sulfate(2-)

A steroid sulfate oxoanion obtained by deprotonation of the carboxylic acid and sulfate functions of alpha-muricholic acid 7-sulfate; major species at pH 7.3.


icosanoid anion

The carboxylic acid anion that is the conjugate base of an icosanoid, formed when the carboxy group is deprotonated.


A (3S)-3-hydroxy fatty acid anion resulting from the deprotonation of the carboxy group of (3S)-3-hydroxytetradecanoic acid. The major species at pH 7.3.


A 2-hydroxy fatty acid anion that is the conjugate base of 2,2-dihydroxy-3-methylbutanoic acid resulting from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of phenazine-1-carboxylic acid; major species at pH 7.3.


A carbohydrate acid derivative anion obtained by deprotonation of the carboxy group of any alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-galactosaminide; major species ar pH 7.3.


A tricarboxylic acid trianion obtained by deprotonation of the three carboxy groups of cis-dihomoaconitic acid; major species at pH 7.3.


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxypentacosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


ursocholate

A cholanic acid anion that is the conjugate base of ursocholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


polyunsaturated fatty acid anion

Any unsaturated fatty acid anion containing more than one C-C unsaturated bond.  Major species at pH 7.3.


Major microspecies at pH 7.3.


A polyunsaturated fatty acid anion that is the conjugate base of 20-oxoarachidonic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 3,4-dihydroxy-5-polyprenylbenzoate in which the polyprenyl chain contains 7 prenyl units; major species at pH 7.3.


petroselaidate

An unsaturated fatty acid anion resulting from the deprotonation of the carboxy group of petroselaidic acid. The major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy group of alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer; major species at pH 7.3.


An N(2)-acyl-L-glutaminate resulting from the deprotonation of the carboxy group of N(2)-[4-(indol-3-yl)butanoyl]-L-glutamine. The major species at pH 7.3.


The monocarboxylic acid anion obtained by removal of a proton from the carboxylic acid group of (10E,12Z,15Z)-9-hydroperoxyoctadeca-10,12,15-trienoic acid.


N-carbamoyl-L-alpha-amino acid anion

A carboxylic acid anion that is the conjugate base of N-carbamoyl-L-alpha-amino acid.


A HETE anion that is the conjugate base of 10-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A tricarboxylic acid dianion obtained by deprotonation of two of the three carboxy groups of citric acid.


A dihydroxydocosahexaenoate that is the conjugate base of (4Z,7Z,10Z,12E,14R,16Z,19Z,21R)-dihydroxydocosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A  tricarboxylic acid trianion obtained by the deprotonation of the three carboxy groups of gamma-carboxy-L-glutamic acid.


A steroid glucuronide anion that is the conjugate base of 5alpha-dihydrotestosterone 17-O-[beta-D-glucuronosyl-(1->2)-glucuronide] arising from deprotonation of the carboxylic acid functions; major species at pH 7.3.


name: hydroperoxy polyunsaturated fatty acid anion

description: Any polyunsaturated fatty acid anion carrying one or more hydroperoxy substituents.


An anionic ganglioside that is the conjugate base of alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)-[alpha-N acetylneuraminosyl-(2->3)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide arising from deprotonation of the neuraminosyl carboxy groups; major species at pH 7.3.


A C79 alpha-mycolate having a C53 meromycolic chain with two cis cyclopropyl functions and a saturated C26 alpha-branch. It is produced by Mycobacterium tuberculosis H37Ra.


An 18-HEPE(1-) that is the conjugate base of 18(S)-HEPE, arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 17beta-estradiol 17-O-(3-sulfo-beta-D-glucuronide) arising from deprotonation of the carboxylic and sulfate groups; major species at pH 7.3.


A branched-chain amino-acid anion that is the conjugate base of 3-aminobutyric acid, obtained by deprotonation of the carboxy group.


prostaglandin F3alpha(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin F3alpha, obtained by deprotonation of the carboxy group; major species at pH 7.3.


prostaglandin B3(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin B3, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Trianion of 3-phosphoshikimic acid arising from deprotonation of the phosphate and carboxy groups; major species at pH 7.3.


name: oxidised coenzyme F420-(gamma-Glu)n polyanion

description: A polyanionic polymer derived from oxidised coenzyme F420-(gamma-Glu)n. Major microspecies at pH 7.3


medium-chain fatty acid anion

A fatty acid anion resulting from the deprotonation of the carboxylic acid moiety of a medium-chain fatty acid.


A steroid acid anion that is the conjugate base of 3-oxo-23,24-bisnor-chol-4-en-22-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


asperaculane G(1-)

A monocarboxylic acid anion that is the conjugate base of asperaculane G, arising from the deprotonation of the carboxy group. Major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 2-methoxy-17beta-estradiol 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


An oxodocosahexaenoate that is the conjugate base of (4Z,7Z,10Z,13Z,15E,19Z)-17-oxodocosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A penicillinate anion that is the conjugate base of tazobactam, obtained by deprotonation of the carboxy group.


Dianion of N-succinyl-LL-2,6-diaminopimelic acid having anionic carboxy groups and an ionic primary amino group; major species at pH 7.3.


D-prolinate

An optically active form of prolinate having D-configuration.


An organosulfate oxoanion that is the conjugate base of 2-palmitoyl-3-stearoyl-2'-sulfo-alpha,alpha-trehalose arising from deprotonation of the sulfate OH group; major species at pH 7.3.


L-valinate

The L-enantiomer of valinate.


Conjugate base of N-[(5S)-5-amino-5-carboxypentanoyl]-L-cysteinyl-D-valine.


(3E)-dec-3-en-1-yl sulfate

An organosulfate oxoanion that is the conjugate base of (3E)-dec-3-en-1-yl hydrogen sulfate. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


A dotriacontahexaenoate that is the conjugate base of (14Z,17Z,20Z,23Z,26Z,29Z)-dotriacontahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate OH groups of 5-carboxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridinium-3-carbonyl adenylate; major species at pH 7.3.


ochratoxin B(1-)

A monocarboxylic acid anion that is the conjugate base of ochratoxin B resulting from the deprotonation of the carboxy group; Major microspecies at pH 7.3.


An N(2)-acyl-L-glutaminate resulting from the deprotonation of the carboxy group of N(2)-(3-hydroxy-3-methylhexanoyl)-L-glutamine. The major species at pH 7.3.


A monocarboxylic acid anion obtained by deprotonation of the carboxy and one of the phosphonate OH groups of 3-phosphonopyruvic acid.


The monocarboxylic acid anion obtained via deprotonation of the carboxy group of 5,6,7,8-tetrahydropterin-6-carboxylic acid; major species at pH 7.3.


An organosulfate oxoanion obtained by deprotonation of the sulfate group of any 1,2-diacyl-3-(3-O-sulfo-beta-D-galactosyl)glycerol; major species at pH 7.3.


Photinus luciferin(1-)

The conjugate base of Photinus luciferin; major species at pH 7.3.


Major species at pH 7.3.


nalidixic acid anion

A monocarboxylic acid anion that is the conjugate base of nalidixic acid; major species at pH 7.3.


beta-D-fructuronate

The beta-anomer of D-fructuronate.


1,1-diunsubstituted alkanesulfonate

An alkanesulfonate in which the carbon at position 1 is attached to at least two hydrogens.


N-iminiumylmethyl-L-aspartate

Conjugate base of N-formimidoyl-L-aspartic acid.


beta-L-Ara4N-(KDO)2-lipid IVA(4-)

The organophosphate oxoanion formed from beta-L-Ara4N-(KDO)2-lipid IVA by deprotonation of the carboxy and phosphate groups. Major microspecies at pH 7.3.


N-feruloylglycinate

An N-acylglycinate that is the conjugate base of N-feruloylglycine; major species at pH 7.3.


An  oxo dicarboxylate that is the conjugate base of 4-oxohex-2-enedioic acid.


N,N-dihydroxy-L-isoleucinate

An N,N-dihydroxy-alpha-amino-acid anion resulting from removal of a proton from the carboxylic acid group of N,N-dihydroxy-L-isoleucine.


An organic sulfamate oxoanion that is the conjugate base of (9-methyldecyl)sulfamic acid. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


oxolinate

Conjugate base of oxolinic acid.


A galactosylceramide sulfate(1-) in which the ceramide N-acyl group contains 24 carbons and 1 double bond.


Conjugate base of 5-methylthio-2-oxopentanoic acid.


A monocarboxylic acid anion that is the conjugate base of 16-sinapoyloxypalmitic acid resulting from the deprotonation of the carboxy group.


An organophosphate oxoanion obtained by removal of a total of three protons from the carboxy and phosphate groups of 2-O-[alpha-D-mannopyranosyl-(1->2)-alpha-D-glucopyranosyl]-3-O-phospho-D-glyceric acid; major species at pH 7.3.