UNC4976 TFA is a positive allosteric modulator (PAM) peptidomimetic of CBX7 chromodomain binding to nucleic acids. UNC4976 TFA simultaneously antagonizes H3K27me3-specific recruitment of CBX7 to target genes while increasing non-specific binding to DNA and RNA[1].
[1]. Lamb KN, et al. Discovery and Characterization of a Cellular Potent Positive Allosteric Modulator of the Polycomb Repressive Complex 1 Chromodomain, CBX7. Cell Chem Biol. 2019 Aug 14.