S-[1-(5-O-phosphono-beta-D-ribofuranosyl)-5-(sulfanylcarbonyl)pyridinium-3-carbonyl]-L-cysteine(2-) residue
s-[1-(5-o-phosphono-beta-d-ribofuranosyl)-5-(sulfanylcarbonyl)pyridinium-3-carbonyl]-l-cysteine(2-) residue
An organic anionic group obtained by deprotonation of the sulfanylcarbonyl and phosphate OH groups of <em>S</em>-[1-(5-<em>O</em>-phosphono-β-<small>D</small>-ribofuranosyl)-5-(sulfanylcarbonyl)pyridinium-3-carbonyl]-<small>L</small>-cysteine residue.