Predicted to enable ubiquitin protein ligase activity. Predicted to be involved in regulation of protein stability and ubiquitin-dependent protein catabolic process. Predicted to act upstream of or within negative regulation of cytokine production. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus; endoplasmic reticulum; and late endosome. Orthologous to human RNF128 (ring finger protein 128). [provided by Alliance of Genome Resources, Apr 2022]