PDB Chemical Component CSS

Ideal Model

Chemical Description

Name S-MERCAPTOCYSTEINE
Formula C3 H7 N O2 S2
Formal charge 0
Molecular weight 153.223 g/mol
Component type L-PEPTIDE LINKING
Nonstandard Parent Id CYS

Chemical features

Atom count 15
Chiral atom count 1
Chiral atoms CA
Observed leaving atoms OXT HXT
Bond count 14
Aromatic bond count 0

Chemical Identifiers

Systematic name (ACDLabs) 3-disulfanyl-L-alanine
Systematic name (OpenEye OEToolkits) (2R)-2-amino-3-disulfanyl-propanoic acid

Chemical Descriptors

Stereo SMILES (CACTVS) N[C@@H](CSS)C(O)=O
SMILES (CACTVS) N[CH](CSS)C(O)=O
Stereo SMILES (OpenEye) C([C@@H](C(=O)O)N)SS
InChI descriptor InChI=1S/C3H7NO2S2/c4-2(1-8-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChIKey descriptor XBKONSCREBSMCS-REOHCLBHSA-N

Status Information

Last modified 2011-06-04
Created 1999-07-08
Release status REL
Processing site RCSB