Is predicted to encode a protein with the following domains: Zinc finger, RING-type; Ribonuclease Z/Hydroxyacylglutathione hydrolase-like; Metallo-beta-lactamase; Ring finger domain; Metallo-beta-lactamase domain-containing protein 1; Metallo-beta-lactamase superfamily; and Zinc finger, RING/FYVE/PHD-type. Is an ortholog of C. elegans trul-1.