Term Name:	L-cystine anion
Synonyms:	(2R,2'R)-3,3'-disulfanediylbis(2-aminopropanoate), L-cystine dianion
Definition:	The L-α-amino acid anion that is a conjugate base of L-cystine, formed by loss of a proton from each of the carboxy groups. It is the major microspecies at pH > 9.4.
Ontology:	ChEBI [CHEBI:63163]  ( EBI )