##gff-version 3 P50294 UniProtKB Chain 1 290 . . . ID=PRO_0000107908;Note=Arylamine N-acetyltransferase 1 P50294 UniProtKB Active site 68 68 . . . Note=Acyl-thioester intermediate;Ontology_term=ECO:0000250;evidence=ECO:0000250 P50294 UniProtKB Active site 107 107 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P50294 UniProtKB Active site 122 122 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P50294 UniProtKB Binding site 103 103 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P50294 UniProtKB Binding site 106 107 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P50294 UniProtKB Binding site 208 208 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P50294 UniProtKB Modified residue 1 1 . . . Note=N-acetylmethionine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P18440