Polymerase capable of producing non-DNA nucleotide polymers
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United States of America Patent
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Mar 13, 2018
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Apr 19, 2013
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Apr 19, 2012
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Abstract
The invention relates to a nucleic acid polymerase capable of producing a non-DNA nucleotide polymer from a DNA nucleotide polymer template, the polymerase comprising amino acid sequence having at least 36% identity to the amino acid sequence of SEQ ID NO: 1, wherein the amino acid sequence is mutated relative to the amino acid sequence of SEQ ID NO: 1, wherein the amino acid sequence comprises the mutations P657T, E658Q, K659H, Y663H, D669A, K671N, and T676I; wherein the amino acid sequence is further mutated relative to the amino acid sequence of SEQ ID NO: 1 at residue: E664 and wherein the amino acid sequence comprises the mutation E664K. The invention also relates to methods of making nucleotide polymers comprising use of this polymerase. Suitably the nucleotides are arabino nucleotides such as ARA or FANA nucleotides.
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