##gff-version 3 B1L719 UniProtKB Chain 1 270 . . . ID=PRO_0000415085;Note=Probable 6-oxopurine nucleoside phosphorylase B1L719 UniProtKB Binding site 10 10 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01963 B1L719 UniProtKB Binding site 48 49 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01963 B1L719 UniProtKB Binding site 191 191 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01963 B1L719 UniProtKB Binding site 192 192 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01963 B1L719 UniProtKB Binding site 215 217 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01963 B1L719 UniProtKB Site 173 173 . . . Note=Important for substrate specificity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01963 B1L719 UniProtKB Site 228 228 . . . Note=Important for substrate specificity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01963