The molecule is the D-enantiomer of cystine. It has a role as an EC 1.2.1.12 (aspartate-semialdehyde dehydrogenase) inhibitor. It is an enantiomer of a L-cystine. It is a tautomer of a D-cystine zwitterion.
(2S)-2-amino-3-[[(2S)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid