Predicted to enable frizzled binding activity and ubiquitin protein ligase activity. Involved in negative regulation of Wnt signaling pathway and stem cell proliferation. Predicted to be located in endoplasmic reticulum; nucleus; and plasma membrane. Predicted to be integral component of membrane. Predicted to be integral component of plasma membrane. Is expressed in alimentary system; genitourinary system; and lung. Orthologous to human RNF43 (ring finger protein 43). [provided by Alliance of Genome Resources, Apr 2022]