PDB Chemical Component CYS_LFZW

Ideal Model

Chemical Description

Name L-CYSTEINE FREE ZWITTERION
Formula C3 H7 N O2 S
Formal charge 0
Molecular weight 121.158 g/mol
Component type L-PEPTIDE LINKING
Nonstandard Parent Id CYS

Chemical features

Atom count 14
Chiral atom count 1
Chiral atoms CA
Observed leaving atoms OXT
Bond count 13
Aromatic bond count 0

Chemical Identifiers

Systematic name (ACDLabs) (2R)-2-ammonio-3-sulfanylpropanoate
Systematic name (OpenEye OEToolkits) (2R)-2-azaniumyl-3-sulfanyl-propanoate

Chemical Descriptors

Stereo SMILES (CACTVS) [NH3+][C@@H](CS)C([O-])=O
SMILES (CACTVS) [NH3+][CH](CS)C([O-])=O
Stereo SMILES (OpenEye) C([C@@H](C(=O)[O-])[NH3+])S
InChI descriptor InChI=1/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1

Status Information

Last modified 2008-04-15
Created 2006-12-20
Release status REL