Is predicted to encode a protein with the following domains: Zinc finger, C3HC4 type (RING finger); Domain of unknown function DUF3447; Ankyrin repeats (3 copies); Ankyrin repeat; Zinc finger, RING-type; Ankyrin repeat-containing domain superfamily; and Zinc finger, RING/FYVE/PHD-type. Is an ortholog of C. elegans mib-1.