To delineate the roles of variant (vPRC1) and canonical (cPRC1) Polycomb repressive complex 1, Blackledge et al. (2020) and Tamburri et al. (2020) elegantly disrupt RING1A/B catalytic activity without affecting stability of either complex and then explore the precise contribution of vPRC1-mediated H2AK119ub1 to Polycomb-mediated gene repression.
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| http://dx.doi.org/10.1016/j.molcel.2020.02.002 | DOI Listing |
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