Enhancer of zeste homolog 2 (EZH2) is a histone methyltransferase and a catalytic component of polycomb repressive complex 2 (PRC2). EZH2 catalyzes tri-methylation of histone H3 at Lys 27 (H3K27me3) to regulate gene expression through epigenetic machinery. In addition, EZH2 also functions both as a transcriptional suppressor and a...