Predicted to be involved in several processes, including I-kappaB kinase/NF-kappaB signaling; negative regulation of signal transduction; and regulation of gene expression. Predicted to be located in cytosol and nucleoplasm. Predicted to be active in nucleus. Human ortholog(s) of this gene implicated in rheumatoid arthritis. Orthologous to human NFKBIL1 (NFKB inhibitor like 1). [provided by Alliance of Genome Resources, Apr 2022]