several triphosphates of 5-substituted deoxyuridine ( du ) , such as 5-ethyl- , 5-n-propyl- , 5-n-hexyl- and 5-isopropyldeoxyuridine triphosphates and 5-trifluorothymidine triphosphate are substrates for hela cell dna polymerase beta ( 2'-deoxynucleoside-5'-triphosphate : dna-deoxynucleotidyltransferase , ec 2.7.7.7 ) and for a dna polymerase isolated from hela cells infected with herpes simplex virus type 2 ( hsv-2 ) strain 75 .
C0525039
dna polymerase
C0012892
dna polymerase