PDB Chemical Component CR8

Ideal Model

Chemical Description

Name 2-[1-AMINO-2-(1H-IMIDAZOL-5-YL)ETHYL]-1-(CARBOXYMETHYL)-4-[(4-OXOCYCLOHEXA-2,5-DIEN-1-YLIDENE)METHYL]-1H-IMIDAZOL-5-OLATE
Synonyms CHROMOPHORE (HIS-TYR-GLY)
Formula C17 H16 N5 O4
Formal charge -1
Molecular weight 354.340 g/mol
Component type L-PEPTIDE LINKING
Nonstandard Parent Id HIS, TYR, GLY

Chemical features

Atom count 42
Chiral atom count 1
Chiral atoms CA1
Observed leaving atoms OXT H2 HXT
Bond count 44
Aromatic bond count 10

Chemical Identifiers

Systematic name (ACDLabs) 2-[(1S)-1-amino-2-(1H-imidazol-5-yl)ethyl]-1-(carboxymethyl)-4-[(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-1H-imidazol-5-olate
Systematic name (OpenEye OEToolkits) 2-[(1S)-1-amino-2-(3H-imidazol-4-yl)ethyl]-3-(carboxymethyl)-5-[(4-oxo-1-cyclohexa-2,5-dienylidene)methyl]imidazol-4-olate

Chemical Descriptors

Stereo SMILES (CACTVS) N[C@@H](Cc1[nH]cnc1)c2nc(C=C3C=CC(=O)C=C3)c([O-])n2CC(O)=O
SMILES (CACTVS) N[CH](Cc1[nH]cnc1)c2nc(C=C3C=CC(=O)C=C3)c([O-])n2CC(O)=O
Stereo SMILES (OpenEye) c1c([nH]cn1)C[C@@H](c2nc(c(n2CC(=O)O)[O-])C=C3C=CC(=O)C=C3)N
InChI descriptor InChI=1S/C17H17N5O4/c18-13(6-11-7-19-9-20-11)16-21-14(17(26)22(16)8-15(24)25)5-10-1-3-12(23)4-2-10/h1-5,7,9,13,26H,6,8,18H2,(H,19,20)(H,24,25)/p-1/t13-/m0/s1
InChIKey descriptor XQYFXZGKDDMSCJ-ZDUSSCGKSA-M

Status Information

Last modified 2023-11-03
Created 2005-06-14
Release status REL
Model PDB code 1ZUX
Processing site RCSB