##gff-version 3 P09503 UniProtKB Chain 1 187 . . . ID=PRO_0000186380;Note=Viral dihydrofolate reductase P09503 UniProtKB Domain 4 185 . . . Note=DHFR;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00660 P09503 UniProtKB Binding site 10 10 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P09503 UniProtKB Binding site 16 22 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P09503 UniProtKB Binding site 31 36 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P09503 UniProtKB Binding site 55 57 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P09503 UniProtKB Binding site 71 71 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P09503 UniProtKB Binding site 77 79 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P09503 UniProtKB Binding site 117 124 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250