Abstract
Polycomb group (PcG) proteins are chromatin-associated factors involved in the repression of gene transcription. In the present study, we characterized the interactome of the Sfmbt factor at the embryonic stage of development. For this, the Sfmbt protein complex was affinity purified from the nuclear extract, followed by highly specific peptide sequencing (IP/LC-MS). As a result, a number of previously uncharacterized Sfmbt interactions were discovered. In particular, Sfmbt top-interacting proteins include the DNA-binding protein Hangover and components of the SWI/SNF family of chromatin remodelers.
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