MAD2B/Rev7 Mouse, Unlabeled, Clone: 14, BD
Mouse Monoclonal Antibody
Manufacturer: BD Biosciences 612266
Progression of the mammalian cell cycle is regulated by phosphorylation/dephosphorylation and synthesis/degradation of many key proteins. These events are of utmost importance at the checkpoints, or transition points, of the cell cycle. MAD2 (Mitotic Arrest-Deficient) is the human homolog of a yeast and Xenopus protein that is essential for spindle assembly during mitosis. Binding of affinity purified polyclonal antibodies to the MAD2 protein has been reported to prevent mitosis of HeLa cells. Furthermore, MAD2 is localized at the kinetochore of condensed chromosomes during mitosis and cells defective in the mitotic checkpoint have reduced levels of MAD2. MAD2 inhibits anaphase-promoting complex (APC) ubiquitin ligase activity,which is critical for controlling transitions in mitosis. This inhibition occurs through binding and suppression of CDC20 activation of APC. MAD2B, also known as Rev7, is a UV revertible gene that has 25% identity with MAD2 and also acts as an inhibitor of APC. Interestingly, MAD2B/Rev7 can bind MAD2 and interacts with the DNA polymerase ζ subunit Rev3. Thus, MAD2B may interact with mitotic checkpoint proteins and DNA repair proteins to regulate mitotic progression.
Immunofluorescence, Western Blotting
|Aqueous buffered solution containing BSA, glycerol, and ≤0.09% sodium azide.|
|Store undiluted at -20°C.|
|Mitotic Arrest Deficient-2B; Rev7|
|Human MAD2B aa. 81-180|
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