Is predicted to encode a protein with the following domains: Inhibitor of growth proteins N-terminal histone-binding; Inhibitor of growth protein, N-terminal histone-binding; Zinc finger, PHD-type; Zinc finger, RING/FYVE/PHD-type; Inhibitor of growth protein 3; and Zinc finger, FYVE/PHD-type. Is an ortholog of C. elegans ing-3.