50% Glycerol, 0.05% BSA and 0.05% preservative in PBS (pH 7.2-7.4)
Purification
Protein A affinity purification
Concentration
0.2 mg/ml
Storage
Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.
Shipping
Frozen
Form
Liquid
Calculated MW
48 kDa
Observed MW
55 kDa
Modification
Phospho
Clonality
Monoclonal
Clone No.
43A82
Isotype
IgG, Kappa
抗原与靶点信息
Antigen & Target Information
Gene Name
CCNB1
Protein Name
Cyclin B1 (phospho Ser126)
Background
Cyclin B1 (Phospho-Ser126) is cyclin B1, the regulatory subunit of MPF complex, governing G2/M transition and mitotic progression. Cyclin B1 associates with Cdc2/Cdk1 to assemble MPF and drive M-phase entry. Ser126 phosphorylation is a critical modification controlling Cyclin B1 nuclear translocation, protein stability and MPF activity. Appropriate Ser126 phosphorylation promotes Cyclin B1 nuclear import and mitosis onset; subsequent dephosphorylation together with ubiquitination triggers Cyclin B1 degradation for mitotic exit. DNA-damage stress perturbs Ser126 phosphorylation and induces G2/M cell-cycle arrest. Phospho-Ser126 level reports mitotic-pathway activation and is applied in cell-cycle, DNA-damage-response and tumour-proliferation researches.