Predicted to enable enzyme binding activity; lipase inhibitor activity; and ubiquitin binding activity. Involved in proteasome-mediated ubiquitin-dependent protein catabolic process. Predicted to be located in endoplasmic reticulum and lipid droplet. Predicted to be part of VCP-NPL4-UFD1 AAA ATPase complex. Orthologous to human FAF2 (Fas associated factor family member 2). [provided by Alliance of Genome Resources, Apr 2022]