the requirements for binding of escherichia coli dna polymerase i , t4 dna polymerase , and calf thymus dna polymerase delta , all of which have associated 3 ' to 5 ' exonuclease activities , to several commercially available 5'-amp supports with different linkages of 5'-amp to either agarose or cellulose were examined .
C0012892
dna polymerase
C0012890
dna polymerase delta