Ubiquitin (Ub) conjugation is an essential post-translational modification that affects nearly all proteins in eukaryotes. The functions and mechanisms of ubiquitination are areas of extensive study, and yet the dynamics and regulation of even free (that is, unconjugated) Ub are
Physical chemistry chemical physics : PCCP, 22(21), 11928-11935 (2020-05-21)
Polyamines are naturally occurring cationic molecules in cells. In addition to their roles in modulating gene expression and cell proliferation, they have been shown to stimulate DNA recombination. The molecular mechanism for stimulation is not clear. We utilized single-molecule tethered
Histone H3 lysine 79 (H3K79) methylation is enriched on actively transcribed genes, and its misregulation is a hallmark of leukemia. Methylation of H3K79, which resides on the structured disk face of the nucleosome, is mediated by the Dot1L methyltransferase. Dot1L
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