The molecule is a L-alpha-amino acid anion that is the conjugate base of L-cysteic acid arising from deprotonation of the carboxy and sulfo groups and protonation of the amino group; major species at pH 7.3. It has a role as a human metabolite and an Escherichia coli metabolite. It is a conjugate base of a L-cysteic acid.
(2R)-2-azaniumyl-3-sulfonatopropanoate