Emerging findings provide compelling evidence that the BRCA1-binding partner BARD1 contributes yet further to BRCA1 function. BARD1 is crucial for positioning the E2 ubiquitin-conjugating enzyme that confers specificity of its ligase to residues on histone H2A, and BARD1 also promotes DNA damage–induced chromatin recruitment through an interaction with ubiquitin-conjugated Lys13 or Lys15 of H2A on the nucleosome core particle.
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Morris, J.R. Is it a wrap? Nucleosome interactions of the BRCA1-binding partner, BARD1, steal the scene. Nat Struct Mol Biol 28, 708–710 (2021). https://doi.org/10.1038/s41594-021-00658-7
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DOI: https://doi.org/10.1038/s41594-021-00658-7
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