PDB Chemical Component CSW (obsoleted)

Ideal Model

Chemical Description

Name CYSTEINE-S-DIOXIDE
Synonyms CYSTEINE SULFINIC ACID
Formula C3 H7 N O4 S
Formal charge 0
Molecular weight 153.157 g/mol
Component type L-PEPTIDE LINKING
Nonstandard Parent Id CYS

Chemical features

Atom count 16
Chiral atom count 1
Chiral atoms CA
Observed leaving atoms OXT H2 HXT
Bond count 15
Aromatic bond count 0

Chemical Identifiers

Systematic name (ACDLabs) 3-sulfino-L-alanine
Systematic name (OpenEye OEToolkits) (2R)-2-azanyl-3-sulfino-propanoic acid

Chemical Descriptors

Stereo SMILES (CACTVS) N[C@@H](C[S](O)=O)C(O)=O
SMILES (CACTVS) N[CH](C[S](O)=O)C(O)=O
Stereo SMILES (OpenEye) C([C@@H](C(=O)O)N)S(=O)O
InChI descriptor InChI=1S/C3H7NO4S/c4-2(3(5)6)1-9(7)8/h2H,1,4H2,(H,5,6)(H,7,8)/t2-/m0/s1
InChIKey descriptor ADVPTQAUNPRNPO-REOHCLBHSA-N

Status Information

Last modified 2014-11-19
Created 1999-07-08
Release status OBS
Replaced by CSD
Processing site RCSB