Article
Ubiquitin-Dependent Turnover of MYC Antagonizes MYC/PAF1C Complex Accumulation to Drive Transcriptional Elongation.
Molecular cell - 7 Jan 2016
Jaenicke Laura A, von Eyss Björn, Carstensen Anne, Wolf Elmar, Xu Wenshan, Greifenberg Ann Katrin, Geyer Matthias, Eilers Martin, Popov Nikita
Abstract excerpt
MYC is an unstable protein, and its turnover is controlled by the ubiquitin system. Ubiquitination enhances MYC-dependent transactivation, but the underlying mechanism remains unresolved. Here we show that MYC proteasomal turnover is dispensable for loading of RNA polymerase II (RNAPII). In contrast, MYC turnover is essential for recruitment of TRRAP, histone acetylation, and binding of BRD4 and P-TEFb to target...
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