however , conversion of these mercuriacetates to mercurithio compounds in situ by the addition of one of various mercaptans , yields nucleoside triphosphates that are excellent substrates for all polymerases tested : escherichia coli and t7 rna polymerases , dna polymerase i of e. coli , dna polymerase of avian myeloblastosis virus , and calf-thymus terminal deoxynucleotidyl transferase .
C0012888
dna polymerase i
C0012892
dna polymerase