##gff-version 3 P28855 UniProtKB Chain 1 228 . . . ID=PRO_0000175089;Note=Thymidine kinase P28855 UniProtKB Active site 50 50 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255 P28855 UniProtKB Binding site 23 30 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P28855 UniProtKB Binding site 68 68 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P28855 UniProtKB Binding site 79 79 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P28855 UniProtKB Binding site 109 109 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P28855 UniProtKB Binding site 157 157 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250