##gff-version 3 P45078 UniProtKB Chain 1 179 . . . ID=PRO_0000139634;Note=Hypoxanthine phosphoribosyltransferase P45078 UniProtKB Active site 105 105 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 45 45 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 P45078 UniProtKB Binding site 46 46 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 P45078 UniProtKB Binding site 101 101 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 101 101 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 101 101 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 102 102 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 105 110 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 105 110 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 133 133 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 133 133 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 161 161 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P45078 UniProtKB Binding site 167 167 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9