Predicted to be involved in protein deneddylation and ubiquitin-dependent protein catabolic process. Predicted to act upstream of or within in utero embryonic development. Predicted to be located in cytosol and nucleoplasm. Predicted to be part of COP9 signalosome. Orthologous to human COPS3 (COP9 signalosome subunit 3). [provided by Alliance of Genome Resources, Apr 2022]