Predicted to enable ubiquitin-protein transferase activity and zinc ion binding activity. Predicted to be involved in protein ubiquitination. Predicted to be located in cytosol and mitochondrion. Is an ortholog of C. elegans pdr-1. In C. elegans, pdr-1 is involved in several processes, including determination of adult lifespan; mitophagy; and negative regulation of engulfment of apoptotic cell.