has part has part has_part has role imidazoles metabolite polar amino acid histidine Wikipedia:Histidine histidina PMID:22770225 Gmelin:3656 0 InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11) Beilstein:84087 CHEBI:24598 155.15468 PMID:17190852 Reaxys:84087 PMID:29286160 2-amino-3-(1H-imidazol-4-yl)propanoic acid PMID:22264337 Histidine NC(Cc1c[nH]cn1)C(O)=O CHEBI:43118 KEGG:C00768 155.06948 CHEBI:5733 KNApSAcK:C00001363 An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. C6H9N3O2 DL-Histidine histidine Histidin alpha-Amino-1H-imidazole-4-propionic acid chebi_ontology HNDVDQJCIGZPNO-UHFFFAOYSA-N CHEBI:27570 CAS:4998-57-6 histidinate(1-) histidinium(1+) alpha-amino acid aromatic amino acid 1H-imidazol-4-ylmethyl group