##gff-version 3 P37893 UniProtKB Chain 1 863 . . . ID=PRO_0000095068;Note=Aminopeptidase N P37893 UniProtKB Active site 300 300 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10095 P37893 UniProtKB Binding site 124 124 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P37893 UniProtKB Binding site 263 267 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P37893 UniProtKB Binding site 299 299 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10095 P37893 UniProtKB Binding site 303 303 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10095 P37893 UniProtKB Binding site 322 322 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10095 P37893 UniProtKB Site 383 383 . . . Note=Transition state stabilizer;Ontology_term=ECO:0000250;evidence=ECO:0000250