##gff-version 3 P18134 UniProtKB Chain 1 176 . . . ID=PRO_0000139637;Note=Hypoxanthine phosphoribosyltransferase P18134 UniProtKB Active site 102 102 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 42 42 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 P18134 UniProtKB Binding site 43 43 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9 P18134 UniProtKB Binding site 98 98 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 98 98 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 98 98 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 99 99 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 102 107 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 102 107 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 130 130 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 130 130 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 158 158 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A9M2 P18134 UniProtKB Binding site 164 164 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WHQ9