Structural basis of end processing in the nucleosome by polynucleotide kinase phosphatase
Genomic DNA is packaged into chromatin through a fundamental repeating unit known as the nucleosome core particle. Chromatinized DNA is under constant assault from endogenous and exogenous sources of damage, which must be effectively repaired to preserve genome stability. Single-strand breaks (SSBs) with chemically heterogeneous DNA ends are one of the most prevalent forms of genomic DNA damage.…
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