Predicted to be involved in activation of NF-kappaB-inducing kinase activity; cellular protein modification process; and negative regulation of cell population proliferation. Predicted to be located in cytosol; nucleoplasm; and perinuclear region of cytoplasm. Predicted to be part of COP9 signalosome. Orthologous to human COPS8 (COP9 signalosome subunit 8). [provided by Alliance of Genome Resources, Apr 2022]