##gff-version 3 Q8E7Y1 UniProtKB Chain 1 180 . . . ID=PRO_0000139620;Note=Hypoxanthine-guanine phosphoribosyltransferase Q8E7Y1 UniProtKB Active site 103 103 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 Q8E7Y1 UniProtKB Binding site 43 43 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 Q8E7Y1 UniProtKB Binding site 44 44 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 Q8E7Y1 UniProtKB Binding site 99 99 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 Q8E7Y1 UniProtKB Binding site 100 100 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 Q8E7Y1 UniProtKB Binding site 131 131 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 Q8E7Y1 UniProtKB Binding site 152 153 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 Q8E7Y1 UniProtKB Binding site 159 159 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 Q8E7Y1 UniProtKB Binding site 165 165 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9