SSRTVLSNISNIQRRPQVVGKIKKEDGVALEEKAPLNKGLGRMVSQSNLISDVQLKTTKIIPAYQDIADVEVPINAMINSFTELEVDDIDLEDLGNPTLCAEYLKDIYKYMNKLERRLEPSDYMAHQAEINFKMRSILVDWLIQVQSRFNLLQETLYLTIYIIDRYLSKQNVKRAELQLEGVTAMLIASKYEEMYAPEIGDFVYITDNAYSKEKIRQMEQKMLKTCEYDFSNPLCLHFLRRNSKAGAVDAQKHTLAKYLMELTLVEYEFITKLPSEIAAAALYLALKLIDDSNWTPTLAHYSGYTEDEILSTVSKLSILTLSMDNSKYQAVKNKYSASKFLRISLIPQLKGHILSKFAERN Essential for the control of the cell cycle at the G2/M (mitosis) transition. Interacts with the CDC2 protein kinase to form MPF. G2/M cyclins accumulate steadily during G2 and are abruptly destroyed at mitosis (By similarity). 361 G2/mitotic-specific cyclin-B (Fragment) CCNB_HYDVU