Mouse CCNB1 Recombinant Protein (N-His) is a recombinant protein expressed in E. coli, spanning Pro161-Ala430, with an N-terminal His tag. Purity: >90% as determined by SDS-PAGE. Supplied lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Applications: ELISA, immunogen, SDS-PAGE and Western blot. G2/mitotic-specific cyclin-B1 is a ~48 kDa protein. Essential for the control of the cell cycle at the G2/M (mitosis) transition. For research use only.