UNC3866 is a potent antagonist of CBX4 and CBX7 chromodomains with a Kd of ~100 nM for each, and is 6- to 18-fold selective as compared to seven other CBX and CDY chromodomains.
A-395 is an antagonist of polycomb repressive complex 2 (PRC2) protein-protein interactions that potently inhibits the trimeric PRC2 complex (EZH2-EED-SUZ12) with an IC50 of 18 nM.
