Recombinant DNA polymerase for improved incorporation of nucleotide analogues
Abstract:
A composition comprising a recombinant DNA polymerase and 3′-esterified nucleotide analogues is provided. The recombinant DNA polymerase includes an amino acid sequence that is at least 90% homology with 9° N DNA polymerase (SEQ ID NO: 1), and the recombinant DNA polymerase includes at least two mutations at the positions corresponding to amino acid residues 141 and 143 of the 9° N DNA polymerase. A recombinant DNA polymerase is further provided. The recombinant DNA polymerase includes an amino acid sequence that is at least 90% homology with 9° N-III DNA polymerase (SEQ ID NO: 3), and the recombinant DNA polymerase includes one or two mutations at the positions corresponding to amino acid residue 480 and 486 of the 9° N-III DNA polymerase. A method of performing a polymerization reaction is also provided.
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