Predicted to enable ubiquitin protein ligase activity. Predicted to be involved in protein autoubiquitination and ubiquitin-dependent protein catabolic process. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus; endoplasmic reticulum membrane; and late endosome. Orthologous to human RNF133 (ring finger protein 133). [provided by Alliance of Genome Resources, Apr 2022]