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Structural Insights Into Dna Replication And Lesion Bypass By Y Family Dna Polymerases, Kevin N. Kirouac
Structural Insights Into Dna Replication And Lesion Bypass By Y Family Dna Polymerases, Kevin N. Kirouac
Electronic Thesis and Dissertation Repository
Y family DNA polymerases are specialized enzymes for replication through sites of DNA damage in the genome. Although the DNA damage bypass activity of these enzymes is important for genome maintenance and integrity, it is also responsible for DNA mutagenesis due to the error-prone nature of the Y family. Understanding how these enzymes select incoming nucleotides during DNA replication will give insight into their role in cancer formation, aging, and evolution. This work attempts to mechanistically explain, primarily through X-ray crystallography and enzymatic activity assays, how Y family polymerases select incoming nucleotides in various DNA replication contexts. Initially, we sought …