PDB Chemical Component HCS

Ideal Model

Chemical Description

Name 2-AMINO-4-MERCAPTO-BUTYRIC ACID
Synonyms L-Homocysteine
Formula C4 H9 N O2 S
Formal charge 0
Molecular weight 135.185 g/mol
Component type L-PEPTIDE LINKING

Chemical features

Atom count 17
Chiral atom count 1
Chiral atoms CA
Observed leaving atoms OXT H2 HXT
Bond count 16
Aromatic bond count 0

Chemical Identifiers

Systematic name (ACDLabs) L-homocysteine
Systematic name (OpenEye OEToolkits) (2S)-2-amino-4-sulfanyl-butanoic acid

Chemical Descriptors

Stereo SMILES (CACTVS) N[C@@H](CCS)C(O)=O
SMILES (CACTVS) N[CH](CCS)C(O)=O
Stereo SMILES (OpenEye) C(CS)[C@@H](C(=O)O)N
InChI descriptor InChI=1S/C4H9NO2S/c5-3(1-2-8)4(6)7/h3,8H,1-2,5H2,(H,6,7)/t3-/m0/s1
InChIKey descriptor FFFHZYDWPBMWHY-VKHMYHEASA-N

Status Information

Last modified 2024-09-27
Created 2001-08-14
Release status REL
Model PDB code 1JVI
Processing site RCSB