Is predicted to encode a protein with the following domains: WD domain, G-beta repeat; WD40-repeat-containing domain superfamily; G-protein beta WD-40 repeat; WD40/YVTN repeat-like-containing domain superfamily; and WD40 repeat. Is an ortholog of C. elegans
bub-3. In C. elegans,
bub-3 is involved in embryo development; meiotic spindle assembly checkpoint signaling; and mitotic spindle assembly checkpoint signaling.