Predicted to enable chromatin binding activity. Predicted to be involved in several processes, including histone H2B conserved C-terminal lysine deubiquitination; neuron fate commitment; and stem cell differentiation. Predicted to be part of ESC/E(Z) complex and elongin complex. Orthologous to human EPOP (elongin BC and polycomb repressive complex 2 associated protein). [provided by Alliance of Genome Resources, Apr 2022]