##gff-version 3 P47724 UniProtKB Chain 1 42 . . . ID=PRO_0000063147;Note=Purine nucleoside phosphorylase DeoD-type P47724 UniProtKB Active site 9 9 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01627 P47724 UniProtKB Binding site 8 9 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50389 P47724 UniProtKB Site 22 22 . . . Note=Important for catalytic activity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01627 P47724 UniProtKB Non-terminal residue 1 1 . . . .