Predicted to enable ubiquitin ligase-substrate adaptor activity. Predicted to be involved in cellular protein metabolic process; positive regulation of protein polyubiquitination; and regulation of circadian rhythm. Predicted to be located in cytosol. Predicted to be part of SCF ubiquitin ligase complex. Orthologous to human SPSB4 (splA/ryanodine receptor domain and SOCS box containing 4). [provided by Alliance of Genome Resources, Apr 2022]