Contributes to ubiquitin-protein transferase activity. Involved in cellular protein metabolic process; entrainment of circadian clock by photoperiod; and protein destabilization. Located in cytosol and nucleus. Is expressed in embryo; extraembryonic component; inner cell mass; and trophectoderm. Orthologous to human FBXL3 (F-box and leucine rich repeat protein 3). [provided by Alliance of Genome Resources, Apr 2022]