Why are researchers across developmental biology, oncology, and epigenetics so focused on the RNF2 protein? The answer lies in its central role in chromatin remodeling and gene silencing. RNF2, also known as RING1B, is not merely another RING finger protein; it is a catalytic powerhouse within the Polycomb repressive complex 1 (PRC1), shaping gene expression landscapes across cell types and...