Term Name:	L-Cys(IAN) zwitterion
Synonyms:	(2R)-2-azaniumyl-3-{[cyano(1H-indol-3-yl)methyl]sulfanyl}propanoate, 2-(L-cystein-S-yl)-2-(1H-indol-3-yl)-acetonitrile
Definition:	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.).
Ontology:	ChEBI [CHEBI:79191]  ( EBI )