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