##gff-version 3 A5UH23 UniProtKB Chain 1 238 . . . ID=PRO_1000069632;Note=Purine nucleoside phosphorylase DeoD-type A5UH23 UniProtKB Active site 204 204 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01627 A5UH23 UniProtKB Binding site 4 4 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50389 A5UH23 UniProtKB Binding site 20 20 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50389 A5UH23 UniProtKB Binding site 24 24 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50389 A5UH23 UniProtKB Binding site 43 43 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50389 A5UH23 UniProtKB Binding site 87 90 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50389 A5UH23 UniProtKB Binding site 179 181 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50389 A5UH23 UniProtKB Binding site 203 204 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50389 A5UH23 UniProtKB Site 217 217 . . . Note=Important for catalytic activity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01627