Molecular Identity
(-)-Cystine
(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
PubChem CID: 67678
L-cystine is the L-enantiomer of the sulfur-containing amino acid cystine. It has a role as an EC 1.2.1.11 (aspartate-semialdehyde dehydrogenase) inhibitor, a flour treatment agent, a mouse metabolite, a Saccharomyces cerevisiae metabolite and a human metabolite. It is a cystine, a non-proteinogenic L-alpha-amino acid and a L-cysteine derivative. It is a conjugate acid of a L-cystine anion. It is an enantiomer of a D-cystine. It is a tautomer of a L-cystine zwitterion.
2D Structure
Properties
C6H12N2O4S2
Molecular Formula
240.30
Molecular Weight
g/mol
240.0238
Exact Mass
Da
-6.3
XLogP
Drug-like (Lipinski: < 5)
177
TPSA
May have limited oral absorption
4
H-Bond Donors
8
H-Bond Acceptors
192
Complexity
SMILES
Canonical SMILES
SMILES: C(C(C(=O)O)N)SSCC(C(=O)O)NIsomeric SMILES
SMILES: C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)NSynonyms(20)
L-cystine56-89-3cystineL-Dicysteinebeta,beta'-DithiodialanineL-Cysteine disulfide1-CystineCystine, L-DicysteineCystine (L)-Cystine acidCysteine disulfideCystin(-)-CystineAlanine, 3,3'-dithiodi-
Data from PubChem (NCBI)
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Drug Network
Trials and conditions connected to (-)-Cystine
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