Term Name:	D-cystine zwitterion
Synonyms:	(2S,2'S)-3,3'-disulfanediylbis(2-ammoniopropanoate), (2S,2'S)-3,3'-dithiobis(2-ammoniopropanoate)
Definition:	A cysteine zwitterion derived from D-cysteine by transfer of a proton from each of the carboxy groups to the amino groups.
Ontology:	ChEBI [CHEBI:145813]  ( EBI )