has part has part has_part has role has role is conjugate base of is conjugate acid of polar amino acid glutamine CHEBI:24316 chebi_ontology 2,5-diamino-5-oxopentanoic acid 2-Aminoglutaramic acid Glutaminsaeure-5-amid Hgln CHEBI:28300 CHEBI:5432 glutamic acid gamma-amide An α-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. Glutamine Glutamin Glutamine 2-amino-4-carbamoylbutanoic acid glutaminate glutaminium alpha-amino acid 3-amino-3-oxopropyl group fundamental metabolite