devancoaminyl vancomycin zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino group of devancoaminyl vancomycin.


cadmium sulfide nanoparticle

A nanoparticle consisting of cadmium sulfide.


autism, susceptibility to, 13

category: biolink:Disease biolink:DiseaseOrPhenotypicFeature biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing


Thr-Ser zwitterion

A dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of L-threonyl-L-serine; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 30 carbons and 6 double bonds.


acetylenic compound

Any organic molecule containing a C#C bond.


terminal acetylenic compound

An acetylenic compound which a carbon of the C#C moiety is attached to a hydrogen atom.


triyne

An acetylenic compound containing three carbon-carbon triple bonds.


tetrayne

Any acetylenic compound containing four carbon-carbon triple bonds.


pentayne

Any acetylenic compound containing five carbon-carbon triple bonds.


glutamine hydroxamate zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of glutamine hydroxamate; major species at pH 7.3.


elemental iron

An elemental molecular entity in which all of the atoms have atomic number 26.


A member of the class of cyclopentanes that is cyclopentane substituted by a cyclopentylidene group at position 1.


tetracycline zwitterion

A zwitterion obtained by transfer of a proton from the 2-hydroxy group to the 1-amino group of tetracycline. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A member of the class of tetracyclines; major species at pH 7.3.


Major species at pH 7.3


A member of the class of tetracyclines with formula C22H22N2O9 that is an intermediate in the biosynthesis of oxytetracycline by Streptomyces rimosus.


11a-hydroxychlortetracycline zwitterion

A zwitterion obtained by transfer of a proton from the 2-hydroxy group to the 1-amino group of 11a-hydroxychlortetracycline; major species at pH 7.3.


lysidine zwitterion

A zwitterion obtained by transfer of a proton from the carboxy group to the cytidine ring of lysidine. Nucleoside used in tRNA Ile2 at position 34. Ensures the tRNA only charges Ile and not Met.


amidinoproclavaminic acid zwitterion

Zwitterionic form of amidinoproclavaminic acid.


Zwitterionic form of 3-amino-3-(4-hydroxyphenyl)propanoic acid arising from migration of a proton fron the carboxy to the amino group; major species at pH 7.3.


antibiotic fungicide

Any antibiotic antifungal agent that has been used as a fungicide.


decaketide

Decaketides are polyketide compounds that are synthesized from ten ketide units. They are derivatives of a 20-carbon skeleton.


organometalloidal compound

A compound having bonds between one or more metalloid atoms and one or more carbon atoms of an organyl group.


nickel-60 atom

A stable isotope of nickel with relative atomic mass 59.93079, 26.223 atom percent natural abundance and nuclear spin 0.


Ile-Gly zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Ile-Gly. Major species at pH 7.3.


transition element molecular entity

A molecular entity containing one or more atoms of a transition element.


organomercury compound

A compound containing at least one carbon-mercury bond.


zinc oxide nanotube

A nanotube consisting of zinc oxide.


zinc oxide nanorod

A nanorod composed of zinc oxide.


d-block molecular entity

A d-block molecular entity is a molecular entity containing one or more atoms of a d-block element.


mercury difulminate

An organomercury compound that is the bis(N-oxide) of mercury(II) cyanide. It is a highly shock- and friction-sensitive explosive.


zinc oxide nanoparticle

A nanoparticle consisting of zinc oxide.


name: superparamagnetic iron oxide nanoparticle

description: An iron oxide nanoparticle consisting of a magnetic iron oxide core (usually magnetite, Fe3O4, or maghemite, gamma-Fe2O3). They may be coated with a biocompatible polymer or precipitated within the pores of a porous biocompatible polymer, which can be attached to cytotoxic drugs or antibodies. These can be targeted to the required area using external magnets; after the external magnetic field is removed, the particles no longer show magnetic interaction.


f-block molecular entity

A molecular entity containing one or more atoms of an f-block element.


thorium molecular entity

An actinoid molecular entity containing at least one atome of thorium.


iron oxide nanoparticle

A nanoparticle consisting of an iron oxide.


chromium ion

An chromium atom having a net electric charge.


Neoplastic Clear Cell

category: biolink:Cell biolink:AnatomicalEntity biolink:PhysicalEssence biolink:OrganismalEntity biolink:SubjectOfInvestigation biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing biolink:PhysicalEssenceOrOccurrent


name: seasonal affective disorder, susceptibility to


tin-115 atom

The stable isotope of tin with relative atomic mass 114.903348, 0.34 atom percent natural abundance and nuclear spin (1)/2.


1-sn-phosphatidyl-L-serine zwitterion

The zwitterion resulting from the transfer of a proton from the carboxylic acid group to the amino group of a 1-sn-phosphatidyl-L-serine.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 44 carbons and 0 double bonds.


Major microspecies at pH 7.3.


Ile-Leu zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Ile-Leu.


biogenic silica

A biogenic mineral comprised of hydrated silica.


biogenic mineral

Any biogenic substance that has undergone transformation through the action of geological processes. Thus the term does not include compounds produced entirely by biological processes, such as shells of marine molluscs, oxalate crystals in plant tissues, etc., but does include the constituents of limestones and phosphorites derived from marine organisms.


Zwitterionic form of N(4)-(beta-N-acetyl-D-glucosaminyl)-L-asparagine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


molybdenum-98 atom

A stable isotope of molybdenum with relative atomic mass 97.90541, 24.29 atom percent natural abundance and nuclear spin 0.


schizophrenia 18

description: A schizophrenia that has material basis in a mutation of SLC1A1 on chromosome 9p24.2.


organic molecular entity

Any molecular entity that contains carbon.


quinomethanes

Methylidenecyclohexadienones and dimethylidenecyclohexadienes, formally derived from quinones by replacement of one or both of the quinone oxygens by methylidene groups.


L-selenohomocysteine zwitterion

An L-alpha-amino acid zwitterion obtained from L-selenohomocysteine by transfer of a proton from the carboxy group to the amino group. It is the major species at pH 7.3.


Zwitterionic form of N(4)-acetyl-L-2,4-diaminobutyric acid having an anionic carboxy group and a protonated nitrogen.


strobilurin antifungal agent

Any antibiotic antifungal agents whose structure is based on the antifungal agents originally isolated from the fungus Strobilurus tenacellus.


3,3',5'-triiodo-L-thyronine zwitterion

Zwitterionic form of 3,3',5'-triiodo-L-thyronine.


pentamethoxyflavone

A methoxyflavone that is flavone substituted by a five methoxy groups.


Zwitterionic form of 3-hydroxy-4-methyl-L-kynurenine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3


name: 6-(alpha-D-glucosaminyl)-1D-myo-inositol 1,2-cyclic phosphate zwitterion

description: Zwitterionic form 6-(alpha-D-glucosaminyl)-1D-myo-inositol 1,2-cyclic phosphate having an anionic phosphate group and a protonated nitrogen.


aptamer

An oligonucleotide or peptide engineered to bind to a specific target molecule.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 32 carbons and 4 double bonds.


ofatumumab

An ether in which the oxygen atom is connected to two methyl groups.


Ala-Thr zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Ala-Thr.


Pro-Hyp zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Pro-Hyp. Major species at pH 7.3.


L-Cys-Gly disulfide dizwitterion

Major species at pH 7.3


An S-conjugate L-cysteine zwitterion substituted by a (1-hydroxy-3-methylhexan-3-yl) group; major species at pH 7.3.


An alpha-amino acid zwitterion that is S-(5-acetamido-2-hydroxyphenyl)cysteine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


D-4-hydroxyphenylglycine zwitterion

A D-alpha-amino acid zwitterion that is D-4-hydroxyphenylglycine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


S-inosyl-L-homocysteine zwitterion

Zwitterionic form of S-inosyl-L-homocysteine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


one-carbon compound

An organic molecular entity containing a single carbon atom (C1).


organolead compound

A compound containing at least one carbon-lead bond.


name: N-[[4-(diethylamino)-6-oxo-1-cyclohexa-2,4-dienylidene]methylamino]carbamic acid methyl ester


O-acetyl-L-homoserine zwitterion

Zwitterionic form of O-acetyl-L-homoserine having an anionic carboxy group and a protonated alpha-amino group; major species at pH 7.3.


dopamine 3-O-sulfate zwitterion

A zwitterion obtained by transfer of a proton from the sulfonyl to the amino group of dopamine 3-O-sulfate; major species at pH 7.3.


A zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of N-[(2S)-2-aminobutanoyl]glycine. The major species at pH 7.3.


Zwitterionic form of (R)-piperazine-2-carboxylic acid having an anionic carboxy group and a protonated 1-amino group.


dapdiamide E zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of dapdiamide C; major species at pH 7.3. NB Although the relative configuration of the epoxide moiety has been assigned as trans, it has not yet been established whether the absolute configuration is R,R (as drawn) or S,S.


glutaurine zwitterion

A dipeptide zwitterion that is glutaurine in which a proton has been transferred from the carboxy group to the alpha-amino group.


An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 2-amino-2-deoxy-D-gluconic acid; major species at pH 7.3.


Zwitterionic form of (S)-piperazine-2-carboxylic acid having an anionic carboxy group and a protonated 1-amino group.


A (2-amino-1-hydroxyethyl)phosphonate zwitterion that has (R)-configuration; major microspecies at pH 7.3.


Ala-Leu-Ala zwitterion

A tripeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of Ala-Leu-Ala. Major microspecies at pH 7.3.


proclavaminic acid zwitterion

Zwitterionic form of proclavaminic acid.


D-alanyl-D-serine zwitterion

Zwitterionic form of D-alanyl-D-serine arising from migration of a proton from the OH of the carboxy terminus to the amino terminus.


An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 7-(3-amino-3-carboxypropyl)wyosine 5'-monophosphate.


serine zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of serine.


L-canaline zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of L-canaline; major species at pH 7.3.


streptidine 6-phosphate zwitterion

Zwitterionic form of streptidine 6-phosphate having an anionic phosphate group and protonated guanidino groups; major species at pH 7.3


O-carbamoyl-L-serine zwitterion

Zwitterionic form of O-carbamoyl-L-serine having an anionic carboxy group and a protonated amino group.


taurocyamine zwitterion

Zwitterionic form of taurocyamine arising from transfer of a proton from the sulfo to the guanidino group; major species at pH 7.3.


NAPROXOL

An aromatic ether in which the substituents on oxygen are 6-[(2S)-1-hydroxypropan-2-yl]-2-naphthyl and methyl.


name: N-[3-[[diethylamino(sulfanylidene)methyl]thio]-1-oxopropyl]carbamic acid (4-methylphenyl) ester


Ala-Leu zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Ala-Leu.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 36 carbons and 6 double bonds.


(R)-3-aminoisobutyric acid zwitterion

Zwitterionic form of (R)-3-aminoisobutyric acid having an anionic carboxy group and a protonated amino group; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 32 carbons and 2 double bonds.


L-glutamic 5-semialdehyde zwitterion

Zwitterionic form of homocysteine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


A 2-amino-Delta(2)-thiazoline-4-carboxylic acid zwitterion that has S-configuration. The major species at pH 7.3.


name: cyclopropanecarboxylic acid [2-oxo-2-(4-phenoxyanilino)ethyl] ester


rosinidin

An anthocyanidin cation consisting of benzopyrylium with hydroxy substituents at positions 3 and 5, a methoxy group at position 7 and a 4-hydroxy-3-methoxyphenyl group at position 2.


A polyether that consists of undecane in which the carbon atoms at positions 3, 6 and 9 are replaced by oxygen atoms.


11a-hydroxytetracycline zwitterion

A zwitterion obtained by transfer of a proton from the 2-hydroxy group to the 1-amino group of 11a-hydroxytetracycline. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 40 carbons and 6 double bonds.


A dizwitterionic form of 2-(3-amino-3-carboxypropyl)-L-histidine arising from transfer of two protons from the carboxy to the amino groups; major species at pH 7.3.


N-methyl-L-methionine zwitterion

Zwitterionic form of N-methyl-L-methionine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


A zwitterion that is derived from 1D-3-amino-1-guanidino-1,3-dideoxy-scyllo-inositol 6-phosphate by deprotonation of the phosphate OH groups and protonation of the amino and guanidino groups.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 30 carbons and 3 double bonds.


L-2-amino-3-oxobutanoic acid zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-2-amino-3-oxobutanoic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


diether

A polyether in which the number of ether linkages is 2.


name: 2-phenoxybenzoic acid [2-(2-furanylmethylamino)-2-oxoethyl] ester


3-nitrotyramine zwitterion

A zwitterion obtained by transfer of a proton from the phenol to the amino group of 3-nitrotyramine; major species at pH 7.3


oxacalixarene

A macrocycle composed of 1,3-phenylene groups bridged by oxygen atoms.


cis-3-hydroxy-L-proline zwitterion

The zwitterion formed from cis-3-hydroxy-L-proline by proton transfer from the carboxy group to the ring nitrogen. It is the predominant species at physiological pH.


4-O-(beta-L-Araf)-cis-L-Hyp zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-O-(beta-L-Araf)-cis-L-Hyp.


monomethoxyflavone

Any methoxyflavone with a single methoxy substituent.


An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of N-(gamma-L-glutamyl)-L-alaninol; major species at pH 7.3.


4-guanidinobutanoic acid zwitterion

Zwitterionic form of 4-guanidinobutanoic acid.


glutathione amide zwitterion

Zwitterionic form of glutathione amide having an anionic carboxy group and a protonated amino group; major species at pH 7.3.


An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 3-amino-N-(trans-3-carbamoyloxirane-2-carbonyl)-L-alanine; major species at pH 7.3. NB Although the relative configuration of the epoxide moiety has been assigned as trans, it has not yet been established whether the absolute configuration is R,R (as drawn) or S,S.


4-hydroxyproline zwitterion

The amino acid zwitterion formed from 4-hydroxyproline.


organometallic compound

A compound having bonds between one or more metal atoms and one or more carbon atoms of an organyl group.


A zwitterion obtained by transfer of a proton from the carboxy to the primary amino group of 10-carboxy-13-deoxycarminomycin; major species at pH 7.3.


L-propargylglycine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy group to the amino group of L-propargylglycine. The major species at pH 7.3.


An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of (2Z,4S,5R)-2-amino-4,5,6-trihydroxyhex-2-enoic acid; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 3 double bonds.


dipeptide zwitterion

Any peptide zwitterion comprising two amino acid residues. Major structure at pH 7.3.


calixaromatic

A macrocycle composed of aromatic groups.


Zwitterionic form of (S)-4-amino-5-oxopentanoic acid.


N-formyl-D-kynurenine zwitterion

Zwitterionic form of N-formyl-D-kynurenine having an anionic carboxy group and a protonated amino group; major species at pH 7.3.


DIMETHOXYMETHANE

An  acetal that is the dimethyl acetal derivative of formaldehyde.


semisynthetic derivative

Any organic molecular entity derived from a natural product by partial chemical synthesis.


D-allothreonine zwitterion

A D-alpha-amino acid zwitterion that is D-allothreonine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


O-methyl-L-tyrosine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy group to the amino group of O-methyl-L-tyrosine. The major species at pH 7.3.


A diether that is the 1,2-dimethyl ether of ethane-1,2-diol.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 30 carbons and 2 double bonds.


An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of 3-(5-oxoisoxazolin-4-yl)-L-alanine; major species at pH 7.3.


D-alanyl-(R)-lactic acid zwitterion

A zwitterion obtained by transfer of a proton from the carboxylic acid group to the amino group of D-alanyl-(R)-lactic acid. The major species at pH 7.3.


3-hydroxyanthocyanidin cation

Any anthocyanin cation carrying a 3-hydroxy substituent.


The zwitterion of a 1,2-diacyl-sn-glycero-3-phospho-N,N-dimethylethanolamine, formed by transfer of a proton from the phospho hydroxy to the amine nitrogen.


Zwitterionic imine tautomer of alpha,beta-didehydrotryptophan.


N-benzoyl-D-arginine zwitterion

Zwitterionic form of N-benzoyl-D-arginine resulting from transfer of a proton from the carboxy to the guanidino group; major species at pH 7.3.


fumisoquin B zwitterion

A zwitterion obtained by transfer of a proton from the sulfate to the amino group of fumisoquin B; major species at pH 7.3.


2,3-didehydrophenylalanine zwitterion

An amino acid zwitterion that is the alpha,beta-didehydro derivative of phenylalanine. Major microspecies at pH 7.3.


Zwitterionic form of 4-amino-4-deoxy-alpha-L-arabinopyranosyl undecaprenyl phosphate.


A ceramide phosphoethanolamine zwitterion obtained by transfer of a proton from the phospho to the amino group of any N-acylphytosphingosine-1-phosphoethanolamine; major species at pH 7.3.


clavaminic acid zwitterion

Zwitterionic form of clavaminic acid.


An amino acid zwitterion obtained by transfer of a proton from the amino to the carboxy group of 2-amino-5-chloro-cis,cis-muconic 6-semialdehyde


anthoxanthin

are a type of flavonoid pigments in plants. Anthoxanthins are water-soluble pigments which range in color from white or colorless to a creamy to yellow, often on petals of flowers.


Zwitterionic form of gamma-amino-beta-hydroxybutyric acid having an anionic carboxy group and a protonated amino group.


bioconjugate

A molecular entity consisting of at least 2 biological molecules covalently linked together.


S-prenyl-L-cysteine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of S-prenyl-L-cysteine; major species at pH 7.3.


Zwitterionic form of beta-L-aspartylhydroxamic acid having an anionic carboxy group and a protonated amino group.


An ether compound having methyl and isopropyl as the two alkyl groups.


name: Eriodictyol 7,3'-dimethyl ether 4'-prenyl ether


Zwitterionic form of 3-hydroxy-4-methyl-D-kynurenine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3


Major species at pH 7.3


Tyr-Gly-Gly zwitterion

A tripeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of Tyr-Gly-Gly. Major microspecies at pH 7.3.


fulvenes

The hydrocarbon fulvene and its derivatives formed by substitution (and by extension, analogues formed by replacement of one or more carbon atoms of the fulvene skeleton by a heteroatom).


The parent member of the class of 3'-methoxyflavones that is flavone which carries a methoxy group at the 3'-position.


cyclopropanes

Cyclopropane and its derivatives formed by substitution.


name: 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(phenoxymethyl)-4-triazolecarboxylic acid ethyl ester


Gly-His zwitterion

A dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of glycyl-L-histidine; major species at pH 7.3.


acid anhydride

Compounds consisting of two acyl groups bonded to the same oxygen atom acyl-O-acyl.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 40 carbons and 3 double bonds.


3-amino-L-alanine zwitterion

The zwitterion resulting from the transfer of a proton from the carboxy group to the beta-amino group of 3-amino-L-alanine; major species at pH 7.3.


3-hydroxy-L-kynurenine zwitterion

Zwitterionic form of 3-hydroxy-L-kynurenine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3


Gly-Met zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Gly-Met.


benzyl ether

A compound of formula PhCH2OR (R =/= H).


hercynylselenocysteine zwitterion

An L-alpha-amino acid zwitterion formed from hercynylselenocysteine by transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


An acetal that is dimethoxymethane substituted by a methyl group at position 1.


Major microspecies at pH 7.3.


name: 3-guanidinopropane sulfonic acid zwitterion

description: Zwitterionic form of 3-guanidinopropane sulfonic acid arising from transfer of a proton from the sulfo to the guanidino group; major species at pH 7.3.


L-homocysteine zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of L-homocysteine; major species at pH 7.3.


DELPHINIDIN

An anthocyanidin cation consisting of benzopyrylium with hydroxy substituents at the 3-, 5- and 7-positions and a 3,4,5-trihydroxyphenyl group at the 2-position. It is a plant pigment responsible for the colours of the plants of the genera Viola and Delphinium.


tripeptide zwitterion

A peptide zwitterion obtained from the tranfer of a proton from the carboxy group to the amino group of any tripeptide. It contains an equal number of positively-charged and negatively-charged functional groups. Major structure at pH 7.3.


N-methyl-aminoisobutyrate zwitterion

The conjugate base of N-methylaminoisobutyric acid obtained from the deprotonation of the carboxy group; major species at pH 7.3.


An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-demethyl-7-(3-amino-3-carboxypropyl)wyosine 5'-monophosphate.


cyclitol ether

An ether in which the ethereal oxygen is derived from one of the hydroxy groups of a cyclitol.


A dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of any (E)-1-(glycyl-L-cystein-S-yl)-omega-(methylthio)alkylhydroximate; major species at pH 7.3.


name: (2E)-5,7-Dihydroxy-3,6-dimethoxy-4-oxo-2-phenyl-4H-1-benzopyran-8-yl ester 2-methyl-2-butenoic acid


name: 2-cyano-3-[2-(3,5-dimethylphenoxy)-4-oxo-3-pyrido[1,2-a]pyrimidinyl]-2-propenoic acid methyl ester


N-alkylglycine zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of any N-alkylglycine; major species at pH 7.3.


A 2,3-dihydro-3-hydroxyanthranilic acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of (2R,3R)-2,3-dihydro-3-hydroxyanthranilic acid.


L-proline zwitterion

The zwitterion formed from L-proline by proton transfer from the carboxy group to the ring nitrogen. It is the predominant species at physiological pH.


An amino acid zwitterion obtained by transfer of a proton from the carboxy group to the primary amino group of 7-(3-methylbut-2-enyl)-L-tryptophan. Major species at pH 7.3.


statin (naturally occurring)

Any statin that occurs in nature. The class includes compactin (also known as mevastatin), isolated from a fermentation broth of Penicillium citrinum, and lovastatin, isolated from Aspergillus terreus.


S-alkyl-L-cysteine zwitterion

An S-substituted L-cysteine zwitterion in which the S-substituent can be any alkyl group.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 34 carbons and 2 double bonds.


PETUNIDIN

An anthocyanidin cation that is flavylium bearing five hydroxy substituents at positions 3, 3', 4', 5 and 7 as well as a methoxy substituent at position 5'.


3-methoxytyramine sulfate zwitterion

A zwitterion obtained by transfer of a proton from the sulfate to the amino group of 3-methoxytyramine sulfate; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which unspecified acyl and alkyl groups are located at positions 1 and 2 respectively.


Zwitterionic form of 2-amino-2,3,7-trideoxy-D-lyxo-hept-6-ulosonic acid.


N-ethylglycine zwitterion

Zwitterionic form of N-ethylglycine.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl and acyl groups (positions not specified) contain a total of 38 carbons and 7 double bonds.


name: 4-amino-4-deoxy-alpha-L-arabinopyranosyl ditrans,polycis-undecaprenyl phosphate zwitterion

description: Zwitterionic form of 4-amino-4-deoxy-alpha-L-arabinopyranosyl ditrans,polycis-undecaprenyl phosphate having an anionic phosphate group and a protonated amino group; major species at pH 7.3.


5-aminopentanoic acid zwitterion

Zwitterionic form of 5-aminopentanoic acid having an anionic carboxy group and a protonated amino group.


D-alpha-phenylglycine zwitterion

A D-alpha-amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of D-alpha-phenylglycine; major species at pH 7.3.


L-methionine sulfoximine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-methionine sulfoximine; major miscrospecies at pH 7.3.


N(6)-hydroxy-L-lysine zwitterion

Zwitterionic form of N(6)-hydroxy-L-lysine having an anionic carboxy group and a cationic amino group; major species at pH 7.3.


antibiotic antifungal agent

Heteroorganic entities that are microbial metabolites (or compounds derived from them) which have significant antifungal properties.


aclacinomycin T zwitterion

A zwitterion obtained by transfer of a proton from the 5-hydroxy to the tertiary amino group of aclacinomycin T. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


L-alloisoleucine zwitterion

An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of L-alloisoleucine; major species at pH 7.3.


tetrahomomethionine zwitterion

Zwitterionic form of tetrahomomethionine.


diglyme

A polyether that is the dimethyl ether derivative of diethylene glycol.


S-(4-bromophenyl)-L-cysteine zwitterion

An amino acid zwitterion obtained via transfer of a proton from the carboxy to the amino group of S-(4-bromophenyl)-L-cysteine; major species at pH 7.3.


A zwitterion resulting from the transfer of a proton from the phosphonic acid group to the amino group of (3-aminopropyl)phosphonic acid; the major species at pH 7.3.


4-amino-L-phenylalanine zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 4-amino-L-phenylalanine; major species at pH 7.3.


(4S)-4-hydroxy-L-isoleucine zwitterion

An amino acid zwitterion resulting from a transfer of a proton from the carboxy to the amino group of (4S)-4-hydroxy-L-isoleucine; major species at pH 7.3.


name: 8-[(2,6-dimethoxy-4-oxo-1-cyclohexa-2,5-dienylidene)methylhydrazo]-8-oxooctanoic acid methyl ester


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 44 carbons and 3 double bonds.


Conjugate base of 2-[3-carboxy-3-(methylammonio)propyl]-L-histidine where both carboxy groups are anionic and both the primary and secondary amino groups are protonated; major species at pH 7.3.


(3S)-3-hydroxy-L-asparagine zwitterion

Zwitterionic form of (3S)-3-hydroxy-L-asparagine.


Cys-Gly disulfide dizwitterion

A peptide zwitterion obtained by transfer of two protons from the carboxy to the amino groups of Cys-Gly disulfide; major species at pH 7.3.


A cyclic polyether isolated from the toxic dinoflagellate Dinophysis acuta.


triglyme

A  polyether that consists of dodecane in which the carbon atoms at positions 2, 5, 8 and 11 are replaced by oxygen atoms.


L-methionine (R)-S-oxide zwitterion

Zwitterionic form of L-methionine (R)-S-oxide.


Zwitterionic form of (5S)-5-amino-3-oxohexanoic acid.


The zwitterion of a phosphatidyl-N-methylethanolamine compound formed by proton transfer from the phosphate to the secondary amino group.


graphene nanoparticle

A nanoparticle composed of graphene.


A 2-(3-amino-3-carboxypropyl)-L-histidine dizwitterion arising from transfer of two protons from the carboxy to the amino groups of 2-[(3S)-3-amino-3-carboxypropyl]-L-histidine.


3-chloro-L-alanine zwitterion

Zwitterionic form of 3-chloro-L-alanine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3


calix(hetero)arene

A calixaromatic compound composed of heteroarylene groups.


Leu-Gly zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Leu-Gly. Major species at pH 7.3.


L-allothreonine zwitterion

Zwitterionic form of L-allothreonine.


An L-alpha-amino acid zwitterion obtained from L-2-amino-4-chloropent-4-enoic acid by transfer of a proton from the carboxy group to the amino group. It is the major species at pH 7.3.


N-formimidoylglycine zwitterion

Zwitterion form of N-formimidoylglycine.


Ala-Gly zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Ala-Gly.


An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-O-(beta-L-Araf-(1->2)-beta-L-Araf-(1->2)-beta-L-Araf)-cis-L-Hyp.


calixpyrrole

A macrocycle composed of pyrrole-2,5-diyl groups linked by methylene groups. The number of pyrrole-2,5-diyl units in the macrocycle is denoted by the "n" in calix[n]pyrrole name.


L-cystathionine dizwitterion

Dizwitterionic form of L-cystathionine arising from transfer of two protons from the carboxy to the amino groups; major species at pH 7.3.


beta-alanyl-L-lysine zwitterion

A dipeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of beta-alanyl-L-lysine.


Major species at pH 7.3.


An amino acid zwitterion obtained by transfer of protons from the amino to the carboxy groups of 2-[3-carboxy-3-(dimethylamino)propyl]-L-histidine.


15-demethylaclacinomycin T zwitterion

A zwitterion obtained by transfer of a proton from the carboxy to the tertiary amino group of 15-demethylaclacinomycin T.


rhombohedral graphite

A thermodynamically unstable allotropic form of graphite with an ABCABC stacking sequence of the layers.


isoskyrin

A member of the class of bianthracenes resulting from the oxidative dimerisation of emodin between position 4 of one molecule and position 5 of the other.


dopamine 4-O-sulfate zwitterion

A zwitterion obtained by transfer of a proton from the sulfonyl to the amino group of dopamine 4-O-sulfate; major species at pH 7.3.


QUERCETAGETINIDIN

An anthocyanidin cation that is cyanidin substituted by a hydroxy group at position 6.


2,2-dialkylglycine zwitterion

The zwitterionic form of a 2,2-dialkylglycine.


hercynylcysteine sulfoxide zwitterion

An L-alpha-amino acid zwitterion formed from hercynylcysteine sulfoxide by transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


5-hydroxy-L-kynurenine zwitterion

Tha amino acid zwitterion formed from 5-hydroxy-L-kynurenine by transfer of a proton from the carboxy to the amino group; principal  microspecies at pH 7.3.


L-dihydroanticapsin zwitterion

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


bianthracenes

A biaryl resulting from the formal oxidative coupling of the aromatic rings of two anthracene ring systems.


ovothiol A zwitterion

An L-alpha-amino acid zwitterion formed from ovothiol A by transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


A member of the class of cyclopentanes that is cyclopentane substituted by a 1-methylbutyl group.


name: 6-[(2,6-dimethoxy-4-oxo-1-cyclohexa-2,5-dienylidene)methylhydrazo]-6-oxohexanoic acid methyl ester


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 32 carbons and 0 double bonds.


An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the imino group of (4S,5R)-4,5,6-trihydroxy-2-iminohexanoic acid; major species at pH 7.3.


sulfonylimidate

A compound of the general formula R'-N=C(OR)SO2R''.


name: 4-phenoxy-2-phenyl-5-pyrimidinecarboxylic acid ethyl ester


graphene

A single carbon layer of the graphite structure, describing its nature by analogy to a polycyclic aromatic hydrocarbon of quasi infinite size.


nocardicin C dizwitterion

An alpha-amino acid zwitterion resulting from a transfer of two protons from the carboxy groups to the amino groups of nocardicin C; major species at pH 7.3.


HEPATAMETHOXYFLAVONE

A methoxyflavone that is flavone substituted by methoxy groups at positions 5, 6, 7, 8, 3', 4' and 5'.


N(5)-ethyl-L-glutamine zwitterion

An amino acid zwitterion of N(5)-ethyl-L-glutamine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


Gly-Gly-Pro zwitterion

A tripeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of Gly-Gly-Pro. Major microspecies at pH 7.3.


D-methionine zwitterion

Zwitterionic form of D-methionine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


Xaa-L-proline zwitterion

A dipeptide with a C-terminal L-proline residue; major microspecies at pH 7.3.


methoxyflavone

Any member of the class of flavones with at least one methoxy substituent.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 36 carbons and 2 double bonds.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 40 carbons and 5 double bonds.


serine phosphoethanolamine dizwitterion

Dizwitterionic form of serine phosphoethanolamine having anionic carboxy and phosphate groups and both amino groups protonated.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 0 double bonds.


hexagonal graphite

The thermodynamically stable form of graphite with an ABAB stacking sequence of the graphene layers. Hexagonal graphite is thermodynamically stable below approximately 2600 K and 6 GPa.


heteroorganic entity

A heteroorganic entity is an organic molecular entity in which carbon atoms or organic groups are bonded directly to one or more heteroatoms.


D-alpha-amino acid zwitterion

Zwitterionic form of a D-alpha-amino acid having an anionic carboxy group and a protonated amino group.


dihomomethionine zwitterion

Zwitterionic form of dihomomethionine.


lipid

'Lipids' is a loosely defined term for substances of biological origin that are soluble in nonpolar solvents. They consist of saponifiable lipids, such as glycerides (fats and oils) and phospholipids, as well as nonsaponifiable lipids, principally steroids.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 32 carbons and 3 double bonds.


D-alanyl-AMP zwitterion

A zwitterion resulting from the transfer of a proton from the phosphate to the amino group of D-alanyl-AMP; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 36 carbons and 0 double bonds.


cetraxate zwitterion

Zwitterionic form of cetraxate arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 8-amino-3,8-dideoxy-alpha-D-manno-octulosonic acid; major species at pH 7.3.


A zwitterion that is derived from 3,4-bis(7-chloroindol-3-yl)-2,5-diiminohexanedioic acid by deprotonation of both carboxylic acid groups and protonation of both amino groups; major species at pH 7.3.


D-glutamine zwitterion

Zwitterionic form of D-glutamine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 3 double bonds.


An amino acid zwitterion obtained from N(omega),N'(omega)-dimethyl-L-arginine by transfer of a proton from the carboxylic acid group to the alpha-amino group.


Zwitterionic form of O-(1->4)-alpha-L-dihydrostreptosylstreptidine 6-phosphate arising from transfer of two protons from the phosphate to the guanidino groups; major species at pH 7.3.


Ala-Pro zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Ala-Pro.


An L-alpha-amino acid zwitterion that is 2'-alpha-mannosyl-L-tryptophan in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


His-Gly zwitterion

A dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of His-Gly; major species at pH 7.3.


gentamycin 2''-phosphate dizwitterion

A zwitterion that is derived from a gentamycin 2''-phosphate by deprotonation of the phosphate OH groups and protonation of the amino groups.


6-aminopenicillanic acid zwitterion

Zwitterionic form of 6-aminopenicillanic acid arising from migration of a proton from the carboxy group to the 6-amino group; major species at pH 7.3.


4-(methylamino)butyric acid zwitterion

An amino acid zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of 4-(methylamino)butyric acid.


name: Kaempferol 7,4'-dimethyl ether 3-O-sulfate


An amino acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of 6-amino-5-oxocyclohex-2-ene-1-carboxylic acid zwitterion.


An amino acid zwitterion obtained from N(2)-(2-carboxyethyl)-L-arginine by the removal of a proton for both of the carboxy groups and the addition of a proton to the alpha-amino group and to the guanidyl group.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 1 double bond.


An optically active form of 3-ammonio-3-phenylpropanoate having (R)-configuration.


2-iminobutanoic acid zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the imino group of 2-iminobutanoic acid.


An amino acid zwitterion resulting from the transfer of a proton from the carboxy to the side-chain amino group of any N(2)-[(3R)-3-(2-saturated-acyloxy)acyl]-L-ornithine; major species at pH 7.3.


O-acetylhomoserine zwitterion

An alpha-amino acid zwitterion that is O-acetylhomoserine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


A monoatomic tetracation resulting from the loss of four electrons from carbon-12.


DIPHENYLETHER

An aromatic ether in which the oxygen is attached to two phenyl substituents. It has been found in muscat grapes and vanilla.


A ceramide phosphoethanolamine zwitterion obtained by transfer of a proton from the phospho to the amino group of any N-acylhexadecasphingosine-1-phosphoethanolamine; major species at pH 7.3.


A ceramide phosphoethanolamine zwitterion obtained by transfer of a proton from the phospho to the amino group of any N-acylsphinganine-1-phosphoethanolamine; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 5 double bonds.


A methoxyflavone that is flavone substituted by methoxy groups at positions 5, 6, 7, 8, 2', 4' and 5'.


organoboron compound

A compound containing at least one carbon-boron bond.


vancomycin aglycone zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino group of vancomycin aglycone.


name: methoxyiminoacetate strobilurin antifungal agent


N-sulfonylimidate

A compound of the general formula RSO2-N=C(OR1)R2 where R, R1 and R2 can be H or organyl.


L-tyrosine zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of L-tyrosine; major species at pH 7.3.


tetramethoxyflavone

Any methoxyflavone with four methoxy substituents.


substituted beta-amino acid zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of any substituted beta-amino acid; major species at pH 7.3.


An amino acid zwitterion obtained by transfer of a proton from the amino to the carboxy group of (2S)-2-acetamido-4-aminobutanoic acid; major species at pH 7.3.


Glu-Arg-Gly-Met-Thr zwitterion

A pentapeptide zwitterion resulting from transfer of protons from the carboxy to the amino groups of L-glutamyl-L-arginyl-glycyl-L-methionyl-L-threonine; major species at pH 7.3. It is a quorum-sensing molecule secreted by Bacillus subtilis.


name: guanidinoethyl methyl phosphate zwitterion

description: Zwitterionic form of guanidinoethyl methyl phosphate arising from transfer of a proton from the phospho to the guanidino group; major species at pH 7.3.


L-allysine zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of L-allysine; major species at pH 7.3.


An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 7-(2-hydroxy-3-amino-3-carboxypropyl)wyosine 5'-monophosphate.


name: 4-[[4-(dimethylamino)-6-(4-morpholinyl)-1,3,5-triazin-2-yl]oxy]benzoic acid methyl ester


3-bromo-L-tyrosine zwitterion

Zwitterionic form of 3-bromo-L-tyrosine having an anionic carboxy group and a protonated amino group; major microspecies at pH 7.3.


3-hydroxy-D-kynurenine zwitterion

Zwitterionic form of 3-hydroxy-D-kynurenine arising from transfer of a proton from the carboxy to the amino group; major microspecies at pH 7.3


An amino acid zwitterion resulting from the transfer of a proton from the carboxy to the side-chain amino group of any N(5),N(5)-dimethyl-N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine; major species at pH 7.3.


A cyclitol ether formed by etherification of the 5-hydroxy group of 1D-chiro-inositol.


methoxyethane

An ether that is the methyl ether derivative of ethanol.


allysine zwitterion

Zwitterionic form of allysine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


N(alpha)-methyl-L-tryptophan zwitterion

An N-methyl-L-alpha-amino acid zwitterion derived from N(alpha)-methyl-L-tryptophan.


name: 8-Hydroxygalangin 3-methyl ether 8-methylbutyrate


glycerol ether

Any ether having glyceryl as at least one of the O-substituents.


Zwitterionic form of 7beta-aminocephalosporanic acid.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 4 double bonds.


(3R)-beta-leucine zwitterion

Zwitterionic form of (3R)-beta-leucine.


An alkylglycerol that is glycerol carrying a single palmityl (hexadecyl) substituent at position 1.


S-methylcysteine zwitterion

An S-alkyl-L-cysteine zwitterion obtained by transfer of a proton from the carboxy to the amino group of S-methylcysteine; major species at pH 7.3.


acetal

An organooxygen compound having the structure RR'C(OR'')(OR''') (R'', R''' =/= H). Mixed acetals have R'' and R''' groups which differ.


peptide zwitterion

Zwitterionic form of any peptide where, in general, the amino terminus is positively charged and the carboxy terminus is negatively charged.


name: Quercetagetin 3-methyl ether 7-O-sulfate


Gly-Asn zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Gly-Asn.


An amino-acid zwitterion arising form transfer of a proton from the carboxy to the amino group of 3-amino-3-phenylpropanoic acid; major species at pH 7.3.


L-lombricine dizwitterion

A zwitterionic form of L-lombricine where the carboxy and phosphate groups are anionic and the amino and guanidino groups are cationic; major species at pH 7.3.


alpha-amino acid zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of any alpha-amino acid; major species at pH 7.3.


neurotensin (1-8) dizwitterion

A peptide zwitterion that is the dizwitterionic form of neurotensin (1-8) having both carboxy groups deprotonated and the side-chains of L-lysyl and L-arginine protonated. It is the major species at pH 7.3.


6-amino-2-oxohexanoic acid zwitterion

Zwitterionic form of 6-amino-2-oxohexanoic acid arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


dihydrorhizobitoxine

If you can find information about the stereoconfiguration of the second amino group, you are very welcome to add it.


glycyl-L-leucine zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Gly-Leu. Major species at pH 7.3.


L-thyroxine zwitterion

Zwitterionic form of L-thyroxine.


glycylsarcosine zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of glycylsarcosine. Major microspecies at pH 7.3.


A 6-acetamido-3-aminohexanoic acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of (3S)-6-acetamido-3-aminohexanoic acid; major species at pH 7.3.


bridged diphenyl antifungal agent

Any organic aromatic compound containing two phenyl (or substituted phenyl) groups attached to a single carbon or heteroatom and which has significant antifungal properties.


A diether that is butane substituted by a 1-ethoxyethoxy group at position 1.


An amino acid zwitterion that is the zwitterionic form of O-(3-O-beta-D-galactosyl-N-acetyl-alpha-D-galactosaminyl)-L-serine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 34 carbons and 0 double bonds.


An L-alpha-amino acid zwitterion that is the dizwitterionic form of epsilon-(gamma-glutamyl)lysine obtained by migration of protons from both carboxy groups to the amino groups; major species at pH 7.3.


poly(ethylene glycol) derivative

A polyether that is any poly(ethylene glycol) in which one or both of the terminal hydroxy groups has been substituted or undergone modification.


L,L-homocystine zwitterion

A homocystine zwitterion in which both stereocentres have L configuration.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 34 carbons and 4 double bonds.


methionine sulfone zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of methionine sulfone; major miscrospecies at pH 7.3.


An amino acid zwitterion resulting from a transfer of a proton from the carboxy to the amino group of 5-hydroxy-3-methyl-L-tyrosine; major species at pH 7.3.


4-hydroxy-L-threonine zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 4-hydroxy-L-threonine; major species at pH 7.3.


An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 4-(3-methylbut-2-enyl)-L-tryptophan; major species at pH 7.3.


A zwitterionic form of sn-glycero-3-phosphoethanolamine in which positions 1 and 2 are substituted by unspecified acyl and alkyl groups, and in which the positions of the acyl and alkyl groups are also unspecified.


felinine zwitterion

A S-alkyl-L-cysteine zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of felinine. Major microspecies at pH 7.3.


A zwitterion resulting from a transfer of a proton from the phosphonate to the amino group of (2-amino-1-hydroxyethyl)phosphonate.  It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


agaritine zwitterion

Zwitterionic form of agaritine.


Gly-Phe zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Gly-Phe.


viscumneoside

Any flavonoid that is a flavanone glycoside or a glycosyloxyflavone found in Viscum coloratum whose structure is based on homoeriodictyol, rhamnacine, or related compounds.


3-aminobutanoic acid zwitterion

An amino acid zwitterion that is 3-aminobutanoic acid in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


aliphatic compound

Any acyclic or cyclic, saturated or unsaturated carbon compound, excluding aromatic compounds.


Pro-Ala zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Pro-Ala. Major species at pH 7.3.


Zwitterionic form of 6-acetamido-3-aminohexanoic acid.


graphite nanoparticle

A nanoparticle consisting of graphite.


A polyether composed of eight propylene glycol units capped at both ends by methoxyethyl and 2-aminopropyl groups (PBD entry:1NGX).


A zwitterion obtained by transfer of a proton from the 5-hydroxy to the tertiary amino group of 2-deoxy-alpha-L-fucosylaclacinomycin S. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


N(tele)-methyl-L-histidine zwitterion

A L-histidine zwitterion in which the methyl group is at N(tele)-position; major microspecies at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 4 double bonds.


An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of 2-aminoacrylic acid.


aromatic ether

Any ether in which the oxygen is attached to at least one aryl substituent.


aromatic amino-acid zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of any aromatic amino-acid.


name: 6-Hydroxyluteolin 6,3'-dimethyl ether 7,4'-disulfate


dibenzyl ether

A benzyl ether in which the oxygen atom is connected to two benzyl groups.


An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of gamma-glutamyl-gamma-aminobutyraldehyde; major species at pH 7.3.


pyridazinium ion

An organic cation resulting from the protonation of one of the nitrogens of pyridazine or its derivatives.


L-homocarnosine zwitterion

A zwitterion arising from transfer of a proton from the carboxy to the amino group of L-homocarnosine; major species at pH 7.3.


A zwitterion resulting from the transfer of a proton from the carboxy group to the nitrogen of 2-iminopropionic acid.


Any methoxyflavone with a methoxy substituent at position 3'.


A zwitterion resulting from the transfer of a proton from the carboxy group to the nitrogen of 1-piperideine-2-carboxylic acid


The L-alpha-amino acid zwitterion formed from L-4-hydroxyglutamic semialdehyde by transfer of a proton from the carboxy to the amine group; it is the principal microspecies at pH 7.3.


name: 2-Methoxy-(3 or 5 or 6)-isopropylpyrazine


cis-4-hydroxy-L-proline zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group cis-4-hydroxy-L-proline; major species at pH 7.3.


polyether

Any ether that contains more than one ether linkage.


N,N-dimethylglycine zwitterion

An amino acid zwitterion resulting from transfer of a proton from the carboxy to the amino group of N,N-dimethylglycine; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 0 double bonds.


An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of (2S,3S)-beta-methylphenylalanine; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 1 double bond.


L-alpha-amino acid zwitterion

Zwitterionic form of an L-alpha-amino acid having an anionic carboxy group and a protonated amino group.


meroterpenoid

Meroterpenoids are complex organooxygen natural products produced from polyketide and terpenoid precursors.


An amino acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of (1S,6R)-6-amino-5-oxocyclohex-2-ene-1-carboxylic acid.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 32 carbons and 1 double bond.


An amino acid zwitterion that is the zwitterionic form of N(4)-{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-[beta-D-xylosyl-(1->2)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-N-acetyl-beta-D-glucosaminyl}-L-asparagine.


dapdiamide C zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of dapdiamide C; major species at pH 7.3.


Any anthocyanidin cation that carries a hydroxy substituent at position 5.


An ether consists of a hexane chain substituted by a methoxy and a methyl group at position 3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 34 carbons and 5 double bonds.


cyclic acid anhydride

Acid anhydrides derived by loss of water between two oxoacid functions RkE(=O)l(OH)m (l =/= 0) (carboxylic, sulfonic, etc.) in the same molecule so as to close a ring.


An amino acid zwitterion obtained from gamma-carboxy-L-glutamic acid by transfer of a proton from the alpha-carboxy group to the amino group.


Zwitterionic form of sn-glycero-3-phosphoethanolamine arising from transfer of a proton from the phospho to the amino group; major species at pH 7.3.


carbocyclic compound

A homocyclic compound in which all of the ring members are carbon atoms.


Ala-Cys zwitterion

A dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of L-alanyl-L-cysteine; major species at pH 7.3.


ortho ester

Any organooxygen compound that has the general formula RC(OR(1))(OR(2))(OR(3)), where R(1), R(2), R(3) =/= H.


name: 2-phenoxybenzoic acid [2-oxo-2-(propan-2-ylamino)ethyl] ester


BATILOL

An alkylglycerol that is glycerol in which one of the primary hydroxy groups has been converted into the corresponding octadecyl ether. It is used in cosmetics as a stabilising ingredient and skin-conditioning agent.


S-substituted L-cysteine zwitterion

The zwitterionic form of an S-substituted L-cysteine.


statin (synthetic)

A statin which does not occur naturally and which is not obtained by chemical transformation of a naturally occurring statin.


Asp-Lys zwitterion

A dipeptide zwitterion resulting from transfer of protons from the carboxy groups to the amino groups of Asp-Lys; major species at pH 7.3.


D-valine zwitterion

A D-alpha-amino acid zwitterion that is D-valine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


name: (4-Methylphenyl) methanol, neopentyl ether


A zwitterion obtained by transfer of a proton from the 2-hydroxy group to the adjacent tertiary amino group of 5a,11a-dehydrooxytetracycline; major species at pH 7.3.


N(5)-phenyl-L-glutamine zwitterion

An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of N(5)-phenyl-L-glutamine; major species at pH 7.3.


N-citryl-spermidine zwitterion

Major species at pH 7.3.


Triton X-100

A poly(ethylene glycol) derivative that is poly(ethylene glycol) in which one of the terminal hydroxy groups has been converted into the corresponding p-(2,4,4-trimethylpentan-3-yl)phenyl ether.


A zwitterion obtained by transfer of a proton from the carboxy to the guanidino group of 5-guanidino-3-methyl-2-oxopentanoic acid; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 30 carbons and 0 double bonds.


Cys(IAN)-Gly zwitterion

A dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of Cys(IAN)-Gly; major species at pH 7.3.


His-Leu zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of His-Leu. Major species at pH 7.3.


Leu-Pro zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Leu-Pro.


N(2)-acetyl-L-lysine zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of N(2)-acetyl-L-lysine; major species at pH 7.3.


1-methylhistidine zwitterion

An alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 1-methylhistidine; major species at pH 7.3.


His-Ala zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of His-Ala. Major species at pH 7.3.


L-homocitrulline zwitterion

An amino acid zwitterion of L-homocitrulline arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


biocytin zwitterion

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


4-methylene-L-glutamine zwitterion

Zwitterionic form of 4-methylene-L-glutamine having an anionic carboxy group and a cationic amino group; major species at pH 7.3.


flavonoid

Any member of the 'superclass' flavonoids whose skeleton is based on 1-benzopyran with an aryl substituent at position 2. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds.


Zwitterionic form of N(alpha)-gamma-L-glutamylhistamine.


name: 4-(3-methyl-2-butenyl) oxy 1-phenyl acetic acid


JTE-607 zwitterion

A zwitterion formed from JTE-607 by transfer of a proton from the hydroxy to the methylated amino group. Major species at pH 7.3.


A ceramide phosphoethanolamine zwitterion obtained by transfer of a proton from the phospho to the amino group of any N-acyltetradecasphinganine-1-phosphoethanolamine; major species at pH 7.3.


The zwitterion of a 1,2-diacyl-sn-glycero-3-phospho-N-methylethanolamine, formed by transfer of a proton from the phospho hydroxy to the amine nitrogen.


L-alpha-aminobutyrate zwitterion

An L-alpha-amino acid zwitterion that is L-alpha-aminobutyric acid in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


bisucaberin B zwitterion

A tautomer resulting from the transfer of a proton from the carboxy group to the amino group of bisucaberin B; Major microspecies at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 2 double bonds.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 30 carbons and 4 double bonds.


3-amino-D-alanine zwitterion

The zwitterion resulting from the transfer of a proton from the carboxy group to the beta-amino group of 3-amino-D-alanine. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


a polar L-alpha-amino acid zwitterion

An L-alpha-amino acid zwitterion resulting from a transfer of a proton from the carboxy to the amino group of any polar L-alpha-amino acid; major species at pH 7.3.


L-2-aminohexanoic acid zwitterion

An L-alpha-amino acid zwitterion obtained from L-2-aminohexanoic acid by transfer of a proton from the carboxy group to the amino group. It is the major species at pH 7.3.


name: Ethylene oxide/propylene oxide copolymer


3-methyl-L-tyrosine zwitterion

An amino acid zwitterion resulting from a transfer of a proton from the carboxy to the amino group of 3-methyl-L-tyrosine; major species at pH 7.3.


L-pipecolic acid zwitterion

The zwitterion of L-pipecolic acid formed by proton transfer from the carboxy group to nitrogen; major species at pH 7.3.


O-ureido-L-serine zwitterion

An  L-alpha-amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of O-ureido-L-serine.


name: Quercetin 7,3',4'-trimethyl ether 3-sulfate


tetracenomycin

A polyketide based on a tetracene ring structure.


5-S-cysteinyldopa zwitterion

Major microspecies at pH 7.3.


3-cyano-L-alanine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 3-cyano-L-alanine. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


aclacinomycin A zwitterion

A zwitterion obtained by transfer of a proton from the 5-hydroxy to the tertiary amino group of aclacinomycin A. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


quinomethane

A methylidenecyclohexadienone, formally derived from a benzoquinone by replacement of one of the quinone oxygens by a methylidene group.


L-prolinylglycine zwitterion

The zwitterion of L-prolinylglycine resulting from the transfer of a proton from the hydroxy group of glycine to the amino group of proline. Major microspecies at pH 7.3.


Phe-Ala zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Phe-Ala; major species at pH 7.3.


angiotensin (1-9) dizwitterion

A peptide zwitterion that is the dizwitterionic form of angiotensin (1-9) having both carboxy groups deprotonated and the aspartyl amino group and arginine side-chain protonated. It is the major species at pH 7.3.


An alkylglycerol that is any 1-alkyl-sn-glycerol bearing an additional methyl substituent at position 2.


A ceramide phosphoethanolamine zwitterion obtained by transfer of a proton from the phospho to the amino group of any N-acylhexadecasphinganine-1-phosphoethanolamine; major species at pH 7.3.


isonocardicin A zwitterion

An L-alpha-amino acid zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of isonocardicin A.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 5 double bonds.


A zwitterion that is derived from 2,5-diimino-3,4-bis(indol-3-yl)hexanedioic acid by deprotonation of both carboxylic acid groups and protonation of both amino groups; major species at pH 7.3.


bridged diphenyl fungicide

Any organic aromatic compound containing two phenyl (or substituted phenyl) groups attached to a single carbon or heteroatom and which has been used as a fungicide.


ovothiol C zwitterion

An L-alpha-amino acid zwitterion formed from ovothiol C by transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


11-deoxy-beta-rhodomycin zwitterion

A zwitterion obtained by transfer of a proton from the 5-hydroxy to the tertiary amino group of 11-deoxy-beta-rhodomycin; major species at pH 7.3.


An N-acylphytosphingosine-1-phosphoethanolamine zwitterion in which the N-acyl group is specified as hexadecanoyl.


L-beta-ethynylserine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy group to the amino group of L-beta-ethynylserine. The major species at pH 7.3.


8-amino-7-oxononanoic acid zwitterion

Zwitterionic form of 8-amino-7-oxononanoic acid having an anionic carboxy group and a protonated nitrogen.


heparosan L-iduronic acid zwitterion

A zwitterion derived from heparosan L-iduronic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


N(2)-acetyl-L-ornithine zwitterion

An amino acid zwitterion of N(2)-acetyl-L-ornithine arising from migration of a proton from the carboxy group to the epsilon-amino group; major species at pH 7.3.


name: 5-methyl-4-(3-phenoxyphenyl)-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-6-carboxylic acid ethyl ester


3-aminoalanine zwitterion

An amino acid zwitterion of 3-aminoalanine where the 3-amino group is protonated.


name: 6-Hydroxykaempferol 7,4'-dimethyl ether 3-sulfate


An amino acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of (1R,6R)-6-amino-5-oxocyclohex-2-ene-1-carboxylic acid.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 2 double bonds.


(beta-Asp-Arg)n zwitterion

A zwitterion derived from (beta-Asp-Arg)n. Major microspecies at pH 7.3.


3'-unsubstituted flavone

Any flavone lacking a substituent at position 3'.


5-methoxy-L-tryptophan zwitterion

A zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of 5-methoxy-L-tryptophan; major species at pH 7.3.


A trimethoxyflavone that is the 3,5,7-trimethyl ether derivative of galangin.


Val-Gly zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Val-Gly.


fulvene

An organic cyclic compound that consists of cyclopentadiene bearing a methylene substituent. The parent of the class of fulvenes.


Zwitterionic form of O-(3-O-D-galactosyl-N-acetyl-beta-D-galactosaminyl)-L-serine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


beta-Asp-Arg zwitterion

A dipeptide zwitterion obtained by transfer of two protons from the carboxy to the amino and guanidino groups of beta-Asp-Arg; major species at pH 7.3.


ketal

An acetal of formula R2C(OR)2 (R =/= H) derived from a ketone by replacement of the oxo group by two hydrocarbyloxy groups. The class name 'ketals', once abandoned by IUPAC, has been reinstated as a subclass of acetals.


trimethoxyflavone

A methoxyflavone that is flavone substituted by three methoxy groups.


aclacinomycin N zwitterion

A zwitterion obtained by transfer of a proton from the 5-hydroxy to the tertiary amino group of aclacinomycin N. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


N-methylproline zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of N-methylproline; major species at pH 7.3.


A heterocalix[4]aromatic compound composed of alternating 1,3-phenylene and 1,3,5-triazin-2,6-yl groups connected by amine linkages.


3-methylhistidine zwitterion

An alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 3-methylhistidine; major species at pH 7.3.


name: Quercetin 3,3'-dimethyl ether 4'-(2-methylbutyrate)


2-methyl-L-tryptophan zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 2-methyl-L-tryptophan; major species at pH 7.3.


S-methylglutathione zwitterion

A zwitterion resulting from the transfer of a proton for the carboxy group to the amino group of the L-gamma-glutamyl residue of S-methylglutathione.


A zwitterion resulting from the transfer of a proton from the carboxy group to the nitrogen of 1-pyrroline-2-carboxylic acid; major species at pH 7.3.


L-alpha-phenylglycine zwitterion

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


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 36 carbons and 3 double bonds.


L-selenocystathionine zwitterion

An amino acid zwitterion arising from transfer of two protons from the carboxy to the amino groups of L-selenocystathionine; major species at pH 7.3.


name: 3,4-Dihydroxyphenylvaleric acid 4 sulfate

description: , also known as 5-[3-hydroxy-4-(sulfooxy)phenyl]pentanoate, belongs to the class of organic compounds known as sulfated fatty acids. These are fatty acids containing linked to a sulfate group linked to its tail.


glycyldehydrophenylalanine zwitterion

A dipeptide zwitterion consisting of a glycine attached to a dehydrophenylalanine. Major structure at pH 7.3.


An L-alpha-amino acid zwitterion formed from S-(5-histidyl)cysteine sulfoxide by transfer of protons from the two carboxy to the two amino grousp; major species at pH 7.3.


An S-conjugate L-cysteine zwitterion substituted by a 3-sulfanylhexan-1-ol group; major species at pH 7.3.


anthocyanidin cation

Any organic cation that is an aglycon of anthocyanin cation; they are oxygenated derivatives of flavylium (2-phenylchromenylium).


flavonoid phytoalexin

Any of a group of water-soluble phenolic derivatives containing a flavan skeleton, which possess antibiotic activity and are produced by plant tissues in response to infection.


4-oxoproline zwitterion

An amino acid zwitterion obtained from 4-oxoproline by transfer of a proton from the alpha-carboxy group to the amino group; major species at pH 7.3.


binaphthopyran

A biaryl in which both of the coupled aromatic groups consists of a binaphthopyran or a substitutd binaphthopyran.


6-chloro-L-tryptophan zwitterion

An L-alpha-amino acid zwitterion resulting from the transfer of a proton from the carboxy group to the alpha-amino group of 6-chloro-L-tryptophan; major species at pH 7.3.


A zwitterion that is derived from LL-2,6-diaminopimelic acid by deprotonation of both carboxylic acid groups and protonation of both amino groups.


organic cyclic compound

Any organic molecule that consists of atoms connected in the form of a ring.


An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of S-[(2E,6E)]-farnesyl-L-cysteine; major species at pH 7.3.


An amino acid zwitterion resulting from a transfer of a proton from the carboxy to the amino group of 5-hydroxy-3-methyl-O-methyl-L-tyrosine; major species at pH 7.3.


aclacinomycin Y zwitterion

A zwitterion obtained by transfer of a proton from the 5-hydroxy to the tertiary amino group of aclacinomycin Y. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


S-aryl-L-cysteine zwitterion

An S-substituted L-cysteine zwitterion in which the S-substitutuent can be any aryl group.


3-(uracil-1-yl)-L-alanine zwitterion

Zwitterionic form of 3-(uracil-1-yl)-L-alanine having an anionic carboxy group and a protonated amino group.


O-acetyl-L-serine zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of O-acetyl-L-serine; major species at pH 7.3.


A nucleic acid (single-stranded DNA) aptamer consisting of nine deoxyguanosine and six thymidine residues connected by 3'->5' phosphodiester linkages in the sequence G-G-T-T-G-G-T-G-T-G-G-T-T-G-G. One of a family of aptamers that bind to and lead to the neutralization of autoantibodies (AABs) that are directed against G-protein-coupled receptors (GPCR-AABs).


An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of alpha,beta-didehydrotryptophan; major species at pH 7.3.


An amino acid zwitterion resulting from the transfer of a proton from the carboxy to the amino group of 2-aminomuconic 6-semialdehyde; major species at pH 7.3.


imidate

A compound with the general formula R'-N=C(OR)R'' where R is organyl and R' and R'' can be organyl or H.


(S,S,S)-nicotianamine trizwitterion

An amino acid zwitterion resulting from transfer of three protons from the carboxy to the amino groups of (S,S,S)-nicotianamine. One of two major microspecies at physiological pH.


hypotaurocyamine zwitterion

Zwitterionic form of hypotaurocyamine having an anionic sulfinate group and a protonated guanidino group; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 32 carbons and 6 double bonds.


trans-3-hydroxy-L-proline zwitterion

Zwitterionic form of trans-3-hydroxy-L-proline resulting from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


An anthocyanidin cation that is flavylium substituted by a hydroxy group at position 3.


S-conjugate

A  bioconjugate containing molecules covalently bonded by a sulphur linkage


zwitterion

A neutral compound having formal unit electrical charges of opposite sign on non-adjacent atoms. Sometimes referred to as inner salts, dipolar ions (a misnomer).


Gly-Gly-Gly zwitterion

A tripeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of Gly-Gly-Gly. Major microspecies at pH 7.3.


An amino acid zwitterion obtained from 2-amino-Delta(2)-thiazoline-4-carboxylic acid by the transfer of a proton from the carboxy group to the thiazoline nitrogen. The major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 30 carbons and 5 double bonds.


methylmercury L-cysteine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of methylmercury L-cysteine; major species at pH 7.3.


A ceramide phosphoethanolamine zwitterion obtained by transfer of a proton from the phospho to the amino group of any N-acylicosasphinganine-1-phosphoethanolamine; major species at pH 7.3.


organochalcogen compound

An organochalcogen compound is a compound containing at least one carbon-chalcogen bond.


D-selenomethionine

The D-enantiomer of selenomethionine.


organooxygen compound

An organochalcogen compound containing at least one carbon-oxygen bond.


name: N-[[3-[2-[(4-chlorophenyl)thio]ethoxy]phenyl]methylideneamino]carbamic acid methyl ester


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 40 carbons and 1 double bond.


guaiacylglycerol-beta-guaiacyl ether

A glycerol ether in which guaiacyl and guaiacylglycerol subunits are joined by an arylglycerol-beta-aryl (beta-O-4) linkage.


Tyr-Ile-Leu zwitterion

A tripeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of Tyr-Ile-Leu. Major microspecies at pH 7.3.


A 1-stannylbutan-2-ol carrying two butyl groups on the tin atom.


D-alloisoleucine zwitterion

A D-alpha-amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of D-alloisoleucine; major species at pH 7.3.


L-lupinic acid zwitterion

Zwitterionic form of L-lupinic acid having an anionic carboxy group and a protonated nitrogen.


A 1-stannylbutan-2-ol carrying no other substituents on the tin atom.


Zwitterionic form of N(5)-[amino(hydroxyimino)methyl]-L-ornithine having an anionic carboxy group and a protonated alpha-amino group.


Gly-Pro zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Gly-Pro.


2-aminoheptanoic acid zwitterion

An alpha-amino acid zwitterion that is 2-aminoheptanoic acid in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


heparosan D-glucuronic acid zwitterion

A zwitterion derived from heparosan D-glucuronic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


amino acid zwitterion

The zwitterionic form of an amino acid having a negatively charged carboxyl group and a positively charged amino group.


(S)-3-aminoisobutyric acid zwitterion

An amino acid zwitterion obtained by transder of a proton from the carboxy to the amino group of (S)-3-aminoisobutyric acid; major species at pH 7.3.


quinodimethane

A dimethylidenecyclohexadiene, formally derived from benzoquinone by replacement of both of the quinone oxygens by methylidene groups.


polyketide

Natural and synthetic compounds containing alternating carbonyl and methylene groups ('beta-polyketones'), biogenetically derived from repeated condensation of acetyl coenzyme A (via malonyl coenzyme A), and usually the compounds derived from them by further condensations, etc. Considered by many to be synonymous with the less frequently used terms acetogenins and ketides.


trihomomethionine zwitterion

Zwitterionic form of trihomomethionine.


L-alanyl-L-prolylglycine zwitterion

A tripeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of Ala-Pro-Gly. Major microspecies at pH 7.3.


D-tyrosine zwitterion

A D-alpha-amino acid zwitterion that is D-tyrosine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


name: Acetic acid, methoxyphenyl-, methyl ester


gamma-glutamyltyramine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of gamma-glutamyltyramine


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 36 carbons and 4 double bonds.


L-2-aminopentanoic acid zwitterion

An L-alpha-amino acid zwitterion obtained from L-2-aminopentanoic acid by transfer of a proton from the carboxy group to the amino group. It is the major species at pH 7.3.


L-m-tyrosine zwitterion

An L-alpha-amino acid zwitterion that is L-m-tyrosine in which a proton has been transferred from the carboxy group to the amino group.


A dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of S-[(Z)-N-hydroxy-2-phenylethanimidoyl]-L-cysteinylglycine; major species at pH 7.3.


organic acid

Any organic molecular entity that is acidic and contains carbon in covalent linkage.


name: N-[4-(4-ethylphenyl)-2-thiazolyl]carbamic acid phenyl ester


3-aminoisobutanoic acid zwitterion

Zwitterionic form of 3-aminoisobutyric acid arising from migration of a proton from the carboxy group to the amino group; major species at pH 7.3.


An amino acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of (1S,6S)-6-amino-5-oxocyclohex-2-ene-1-carboxylic acid.


D-isoleucine zwitterion

An alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of D-isoleucine; major species at pH 7.3.


wax

A chemical substance that is an organic compound or mixture of compounds that is composed of long-chain molecules and is malleable at ambient temperatures.


S-polyprenyl-L-cysteine zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of S-polyprenyl-L-cysteine; major species at pH 7.3.


An S-conjugate L-cysteine zwitterion substituted by a 3-sulfanylpentan-1-ol group; major species at pH 7.3.


An alkylglycerol having palmityl (hexadecyl) and methyl groups located at position2 1 and 2 respectively (the S-enantiomer).


dipolar compound

An  organic molecule that is electrically neutral carrying a positive and a negative charge in one of its major canonical descriptions. In most dipolar compounds the charges are delocalized; however the term is also applied to species where this is not the case.


Met-Phe-Met zwitterion

A tripeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of Met-Phe-Met. Major microspecies at pH 7.3.


PEONIDIN

An anthocyanidin cation that is flavylium bearing four hydroxy substituents at positions 3, 4', 5 and 7 as well as a methoxy substituent at position 3'.


N(6)-acetyl-L-lysine zwitterion

An amino acid zwitterion obtained via transfer of a proton from the carboxy to the amino group of N(6)-acetyl-L-lysine; major species at pH 7.3.


name: 4-(1H-benzimidazol-2-ylthio)butanoic acid [2-oxo-2-(4-phenoxyanilino)ethyl] ester


A 2,3-dihydro-3-hydroxyanthranilic acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of (2S,3S)-2,3-dihydro-3-hydroxyanthranilic acid.


A zwitterion obtained by transfer of a proton from the carboxy to the primary amino group of 10-carboxy-13-deoxydaunorubicin; major species at pH 7.3.


Zwitterionic form of (2-aminoethyl)phosphonic acid.


capensinidin

An anthocyanidin cation consisting of benzopyrylium with hydroxy substituents at positions 3 and 7, a methoxy group at  position 5 and a 4-hydroxy-3,5-dimethoxyphenyl group at position 2 respectively.


aromatic fungicide

An organic aromatic compound that has been used as a fungicide.


A methoxyflavone that is flavone substituted by methoxy groups at positions 5, 6, 7, 8, 3' and 5'.


L-Cys(IAN) zwitterion

An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-Cys(IAN). It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 44 carbons and 6 double bonds.


3-guanidinopropanoic acid zwitterion

Zwitterionic form of 3-guanidinopropanoic acid having an anionic carboxy group and a protonated imine nitrogen.


(2R)-glufosinate zwitterion

An amino acid zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of (2R)-glufosinate.


topaquinone zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of topaquinone; major structure at pH 7.3.


phenolic acid

Phenols that include substances containing a phenolic ring and at least one organic carboxylic acid function.


an L-aminoacyl-L-amino acid zwitterion

Any peptide zwitterion comprising two L-amino acid residues. Major structure at pH 7.3.


psychosine sulfate zwitterion

Zwitterionic form of psychosine sulfate arising from transfer of a proton from the sulfo to the amino group; major species at pH 7.3.


carbon black

An elemental carbon in the form of virtually pure colloidal particles that are produced by incomplete combustion or thermal decomposition of gaseous or liquid hydrocarbons under controlled conditions. A black, finely divided pellet or powder, its properties of specific surface area, particle size and structure, conductivity and colour can be varied by varying the exact conditions for its production. It is used in tyres, rubber and plastic products, printing inks and coatings.


homocystine zwitterion

Dizwitterionic form of homocystine arising from transfer of two protons from the carboxy to the amino groups; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 30 carbons and 1 double bond.


name: a nonpolar L-alpha-amino acid zwitterion

description: An L-alpha-amino acid zwitterion resulting from a transfer of a proton from the carboxy to the amino group of any nonpolar L-alpha-amino acid; major species at pH 7.3.


name: 4-phenoxybutanoic acid [[amino(phenyl)methylidene]amino] ester


name: carbamimidothioic acid (5-bromo-2-propoxyphenyl)methyl ester


O-ureido-D-serine zwitterion

An amino acid zwitterion resulting from the transfer of a proton from the carboxy to the amino group of O-ureido-D-serine.


dehydroglycine zwitterion

A zwitterion obtained by transfer of a proton from the carboxy to the imino group of dehydroglycine. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


D-proline zwitterion

A D-alpha-amino acid zwitterion that is D-proline in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


botanical anti-fungal agent

Heteroorganic entities that are plant metabolites which have significant antifungal properties.


A 2,3-dihydro-3-hydroxyanthranilic acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of (2R,3S)-2,3-dihydro-3-hydroxyanthranilic acid.


name: carbonic acid [4-[2-(ethoxycarbonylamino)ethyl]-2-ethoxycarbonyloxyphenyl] ethyl ester


N-acetyl-L-thialysine zwitterion

A S-alkyl-L-cysteine zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of N-acetyl-L-thialysine. Major microspecies at pH 7.3.


cis-4-hydroxy-D-proline zwitterion

Zwitterionic form of cis-4-hydroxy-D-proline having an anionic carboxy group and a protonated amino group.


fatty acid derivative

Any organic molecular entity derived from a fatty acid.


N-isopropyl-L-glutamine zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of N-isopropyl-L-glutamine; major species at pH 7.3.


organic cation

Any organic ion with a net positive charge.


2-methyl-L-serine zwitterion

An amino acid zwitterion obtained from the transfer of a proton from the carboxy group to the amino group of 2-methyl-L-serine. Major species at pH 7.3.


L-3-oxoalanine zwitterion

An amino acid zwitterion obtained by transfer of a proton from the amino to the carboxy group of L-3-oxoalanine; major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 44 carbons and 1 double bond.


Major species at pH 7.3


His-Pro zwitterion

A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of His-Pro. Major species at pH 7.3.


N-formyl-L-kynurenine zwitterion

Zwitterionic form of N-formyl-L-kynurenine.


Organotin compounds in which the tin atom is bonded to a 2-hydroxybutyl group


angiotensin I dizwitterion

A peptide zwitterion that is the dizwitterionic form of angiotensin I having both carboxy groups deprotonated and the aspartyl amino group and arginine side-chain protonated. It is the major species at pH 7.3.


dihydroclavaminic acid zwitterion

Zwitterionic form of dihydroclavaminic acid.


N-methyl-L-alpha-amino acid zwitterion

An amino acid zwitterion obtained by transfer of a proton from the amino to the carboxy group of any N-methyl-L-alpha-amino acid; major species at pH 7.3.


bacilysin zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino group of bacilysin; major species at pH 7.3.


calixpyrroles

Compounds containing a calixpyrrole skeleton.


2-aminoisobutanoic acid zwitterion

The zwitterionic form of 2-aminoisobutyric acid obtained by transfer of a proton from the carboxy to the amino group of L-valine; major species at pH 7.3.


alkylglycerol

A glycerol ether having at least one alkyl substituent on oxygen.


7-chloro-L-tryptophan zwitterion

Zwitterionic form of 7-chloro-L-tryptophan.


3-disulfanyl-L-alanine zwitterion

Zwitterionic form of 3-disulfanyl-L-alanine.


nucleic acid aptamer

An aptamer that is a nucleic acid species engineered to bind to various molecular targets such as small molecules, proteins, nucleic acids, cells, tissues and organisms.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 6 double bonds.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 40 carbons and 0 double bonds.


mersacidin zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of mersacidin. Major species at pH 7.3.


organoselenium compound

An organoselenium compound is a compound containing at least one carbon-selenium bond.


(R)-nipecotic acid zwitterion

The zwitterion resulting from the transfer of a proton from the carboxylic acid group to the amino group of (R)-nipecotic acid.


cyclopentanes

Cyclopentane and its derivatives formed by substitution.


name: 2-[2-(3-ethylphenoxy)ethyl]propanedioic acid diethyl ester


glycyl-AMP zwitterion

A zwitterion resulting from the transfer of a proton from the phosphate to the glycyl amino group of glycyl-AMP; major species at pH 7.3.


An amino acid zwitterion resulting from the transfer of a proton from the carboxy to the side-chain amino group of any N(5)-methyl-N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine; major species at pH 7.3.


trans-4-hydroxy-L-proline zwitterion

An L-alpha-amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of trans-4-hydroxy-L-proline; major species at pH 7.3.


PHENETOLE

An aromatic ether in which the ether oxygen is bonded to an ethyl and a phenyl group.


An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 3,4-dimethoxy-L-phenylalanine; major species at pH 7.3.


biaryl

An organic aromatic compound whose structure contains two aromatic rings or ring systems, joined to each other by a single bond.


benzylcysteine

An S-conjugate L-cysteine zwitterion substituted by a benzyl group; major species at pH 7.3.


antibiotic antifungal drug

Any antibiotic antifungal agent used to treat fungal infections in humans or animals.


alicyclic compound

An aliphatic compound having a carbocyclic ring structure which may be saturated or unsaturated, but may not be a benzenoid or other aromatic system.


tryptophan zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of tryptophan; major species at pH 7.3.


bridged diphenyl antifungal drug

Any bridged diphenyl antifungal agent used for the treatment of fungal infections in humans or animals.


Ser-Thr zwitterion

A dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of L-seryl-L-threonine; major species at pH 7.3.


Dizwitterionic form of N(5)-(L-1-carboxyethyl)-L-ornithine having anionic carboxy groups and cationic amino groups; major species at pH 7.3.


L-threo-3-phenylserine zwitterion

Zwitterionic form of L-threo-3-phenylserine arising from transfer of a proton from the carboxy to the alpha-amino group; major species at pH 7.3.


S-ethyl-L-cysteine zwitterion

A S-alkyl-L-cysteine zwitterion obtained by transfer of a proton from the carboxy to the amino group of S-ethyl-L-cysteine; major species at pH 7.3.


cis-3-hydroxy-D-proline zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of cis-3-hydroxy-D-proline; major species at pH 7.3


L-dopaquinone zwitterion

Zwitterionic form of L-dopaquinone arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.


2-methylserine zwitterion

An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 2-methylserine; major species at pH 7.3


N(5)-methyl-L-glutamine zwitterion

The amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of N(5)-methyl-L-glutamine; major species at pH 7.3.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 44 carbons and 4 double bonds.


D-phenylalanine zwitterion

A D-alpha-amino acid zwitterion that is D-phenylalanine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


5-amino-2-oxopentanoic acid zwitterion

Zwitterionic form of 5-amino-2-oxopentanoic acid.


L-lanthionine dizwitterion

An L-alpha-amino acid zwitterion that is the dizwitterionic form of L-lanthionine obtained by migration of protons from both carboxy groups to the amino groups; major species at pH 7.3.


tyramine sulfate zwitterion

A zwitterion obtained by transfer of a proton from the sulfate to the amino group of tyramine sulfate; major species at pH 7.3.


A dieter that is 1-pentoxyethane substituted by an ethoxy group at position 1.


ceramide phosphoethanolamine zwitterion

A zwitterion obtained by transfer of a proton from the phosphate to the amino group of any ceramide phosphoethanolamine.


cyclopropenes

A carbocyclic compound that is cyclopropene and its derivatives formed by substitution.


peptidylamidoglycolate zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of any peptidylamidoglycolate; major species at pH 7.3.


S-alkyl-L-cysteine S-oxide zwitterion

An amino acid zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of any S-alkyl-L-cysteine S-oxide; major microspecies at pH 7.3.


An amino acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of 2,3-dihydro-3-hydroxyanthranilic acid.


phenylethanoid

Any organic aromatic compound with a structure based on a phenethyl alcohol skeleton and its substituted derivatives.


4-fluoro-L-threonine zwitterion

Zwitterionic form of 4-fluoro-L-threonine.


Gly-Gln zwitterion

A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Gly-Gln.


An N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine zwitterion in which the acyl chain is saturated at position 2; the major species at pH 7.3.


12-dehydrotetracycline zwitterion

Zwitterionic form of 12-dehydrotetracycline arising from transfer of a proton from the 2-hydroxy group to the adjacent tertiary amino group.


D-dopa zwitterion

An amino acid zwitterion obtained from the transfer of a proton from the carboxy group to the amino group of D-dopa. Major microspecies at pH 7.3.


A zwtterion obtained by transfer of a proton from the 2-hydroxy to the primary amino group of 4-amino-4-de(dimethylamino)anhydrotetracycline. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


N(alpha)-methyl-L-histidine zwitterion

An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of N(alpha)-methyl-L-histidine.


An alkyl,acyl-sn-glycero-3-phosphoethanolamine zwitterion in which the alkyl or acyl groups at positions 1 and 2 contain a total of 36 carbons and 1 double bond.


heterocalixaromatic

A heteroatom-bridged calix(hetero)arene.


A ceramide phosphoethanolamine zwitterion obtained by transfer of a proton from the phospho to the amino group of any N-acyl-15-methylhexadecasphinganine-1-phosphoethanolamine; major species at pH 7.3.


pre-putrebactin zwitterion

A zwitterion obtained by transfer of a proton from the carboxy group to the amino group of pre-putrebactin; Major microspecies at pH 7.3.


hexahomomethionine zwitterion

Zwitterionic form of hexahomomethionine.


If you can find information about the stereoconfiguration of the second amino group, you are very welcome to add it.


D-threonine zwitterion

A D-alpha-amino acid zwitterion that is D-threonine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3.


5-chloro-L-tryptophan zwitterion

An L-alpha-amino acid zwitterion resulting from the transfer of a proton from the carboxy group to the alpha-amino group of 5-chloro-L-tryptophan.


glufosinate-P zwitterion

An amino acid zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of glufosinate-P.


name: pulmonary disease, chronic obstructive, susceptibility to

description: An inherited susceptibility or predisposition to developing COPD.


dermatitis, atopic, 2

description: An inherited susceptibility or predisposition to developing atopic dermatitis in which the cause of the disease is a mutation in the FLG gene.


polonium-203 atom

The radioactive isotope of polonium with relative atomic mass 202.981413 and half-life of 36.7 min.


cobalt-59 atom

A stable isotope of cobalt with relative atomic mass 58.93319, 100 atom percent natural abundance and nuclear spin 7/2.


name: epidermodysplasia verruciformis, susceptibility to, 5


lanthanum-139 atom

The stable isotope of lanthanum with relative atomic mass 138.906348, 99.9 atom percent natural abundance and nuclear spin 7/2.