The E295K cancer variant of human polymerase β favors the mismatch conformational pathway during nucleotide selection.

Abstract excerpt

DNA polymerase β (pol β) is responsible for gap filling synthesis during repair of damaged DNA as part of the base excision repair pathway. Human pol β mutations were recently identified in a high percentage (∼30%) of tumors. Characterization of specific cancer variants is particularly useful to further the understanding of the general mechanism of pol β while providing context to disease contribution. We showed...

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