Title : Histone H4 deacetylation facilitates 53BP1 DNA damage signaling and double-strand break repair.

Pub. Date : 2013 Jun

PMID : 23329852






3 Functional Relationships(s)
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Protein Name
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1 Concurrent acetylation at H4K16 antagonizes 53BP1 binding to extant H4K20me2 until DSBs elicit transient, localized H4 deacetylation that facilitates 53BP1 foci formation and NHEJ, and is associated with global repression of gene transcription. dsbs tumor protein p53 binding protein 1 Homo sapiens
2 Concurrent acetylation at H4K16 antagonizes 53BP1 binding to extant H4K20me2 until DSBs elicit transient, localized H4 deacetylation that facilitates 53BP1 foci formation and NHEJ, and is associated with global repression of gene transcription. dsbs tumor protein p53 binding protein 1 Homo sapiens
3 Our findings demonstrate that rapid induction of H4 deacetylation by DSBs affects multiple aspects of the DDR, and also suggest that antagonism of 53BP1 binding to H4K20me2 by H4K16 hyperacetylation may contribute to the efficacy of histone deacetylase inhibitors for cancer therapy. dsbs tumor protein p53 binding protein 1 Homo sapiens