PDB Chemical Component NRQ

Ideal Model

Chemical Description

Name {(4Z)-4-(4-hydroxybenzylidene)-2-[3-(methylthio)propanimidoyl]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid
Synonyms CHROMOPHORE (MET-TYR-GLY)
Formula C16 H17 N3 O4 S
Formal charge 0
Molecular weight 347.389 g/mol
Component type L-PEPTIDE LINKING
Nonstandard Parent Id MET,TYR,GLY

Chemical features

Atom count 41
Chiral atom count 0
Observed leaving atoms OXT H HXT
Bond count 42
Aromatic bond count 6

Chemical Identifiers

Systematic name (ACDLabs) {(4Z)-4-[(4-hydroxyphenyl)methylidene]-2-[(1Z)-3-(methylsulfanyl)propanimidoyl]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid
Systematic name (OpenEye OEToolkits) 2-[(4Z)-4-[(4-hydroxyphenyl)methylidene]-2-(3-methylsulfanylpropanimidoyl)-5-oxo-imidazol-1-yl]ethanoic acid

Chemical Descriptors

Stereo SMILES (CACTVS) CSCCC(=N)C1=N\C(=C/c2ccc(O)cc2)C(=O)N1CC(O)=O
SMILES (CACTVS) CSCCC(=N)C1=NC(=Cc2ccc(O)cc2)C(=O)N1CC(O)=O
Stereo SMILES (OpenEye) [H]/N=C(/CCSC)\C1=N/C(=C\c2ccc(cc2)O)/C(=O)N1CC(=O)O
InChI descriptor InChI=1S/C16H17N3O4S/c1-24-7-6-12(17)15-18-13(16(23)19(15)9-14(21)22)8-10-2-4-11(20)5-3-10/h2-5,8,17,20H,6-7,9H2,1H3,(H,21,22)/b13-8-,17-12-
InChIKey descriptor QMTDZFYJRUOYRB-JEAYZUIJSA-N

Status Information

Last modified 2023-11-03
Created 2003-10-07
Release status REL
Model PDB code 2QLG
Processing site RCSB