thymidine kinase ( tk ) enzymes encoded by herpes simplex viruses types 1 and 2 ( hsv-1 , hsv-2 ) , and equine herpesvirus type 1 ( ehv-1 ) catalyze the phosphorylation of thymidine ( dthd ) and ( e ) -5- ( 2-bromovinyl ) -2'-deoxyuridine ( bvdu ) .
C0040078
thymidine kinase
C0031715
phosphorylation