Structural Complex
Chemical ID: CYS
IUPAC Name: CYSTEINE
Formal Charge: 0
Type: L-PEPTIDE LINKING
Physiochemical Descriptor:
Formula: C3 H7 N O2 S
Molecular weight: 121.158
Hydrogen Bond Acceptor: 4
Hydrogen Bond Donor: 3
Rotatable Bonds: 4
Heavy Atoms: 7
Systematic name
Program Version Descriptor
ACDLabs 10.04 L-cysteine
OpenEye OEToolkits 1.5.0 (2R)-2-amino-3-sulfanyl-propanoic acid
Chemical Descriptors
Type Program Version Descriptor
SMILES ACDLabs 10.04 O=C(O)C(N)CS
SMILES_CANONICAL CACTVS 3.341 N[C@@H](CS)C(O)=O
SMILES CACTVS 3.341 N[CH](CS)C(O)=O
SMILES_CANONICAL OpenEye OEToolkits 1.5.0 C([C@@H](C(=O)O)N)S
SMILES OpenEye OEToolkits 1.5.0 C(C(C(=O)O)N)S
InChI InChI 1.03 InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChIKey InChI 1.03 XUJNEKJLAYXESH-REOHCLBHSA-N
Chemical Database Mapping
Database Reference ID
DrugBank DB00151
ChEMBL CHEMBL863
PubChem 5862,6419722
ChEBI 17561,35235
ZINC ZINC000000895042
SureChEMBL SCHEMBL3349
HMDB HMDB0000574