##gff-version 3 O13917 UniProtKB Chain 1 206 . . . ID=PRO_0000116674;Note=Hypoxanthine-guanine phosphoribosyltransferase O13917 UniProtKB Active site 114 114 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 O13917 UniProtKB Binding site 110 118 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O13917 UniProtKB Binding site 154 154 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O13917 UniProtKB Binding site 181 187 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250