Is predicted to encode a protein with the following domains: Cyclin-like; Cyclin B3, G2/mitotic-specific; Cyclin; Cyclin, C-terminal domain; Cyclin-like superfamily; Cyclin, N-terminal; and Cyclin, N-terminal domain. Is an ortholog of C. elegans cyb-3. In C. elegans, cyb-3 is involved in several processes, including chromosome organization; regulation of cell cycle; and sexual reproduction.