Enables enzyme binding activity. Involved in several processes, including cellular response to glucose stimulus; cellular response to hydrogen peroxide; and negative regulation of cellular response to oxidative stress. Predicted to be located in cytosol; nucleoplasm; and plasma membrane. Predicted to be active in cytoplasm and nucleus. Orthologous to human RNF146 (ring finger protein 146); PARTICIPATES IN ADP-ribosylation pathway, mono and poly-ribosylation; INTERACTS WITH 2,3,7,8-tetrachlorodibenzodioxine; 2-methoxyethanol; 6-propyl-2-thiouracil.