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BUB1B Antibody (Center) Blocking Peptide

Synthetic peptide

Product Information
Primary Accession O60566
Clone Names 80109108
Peptide ID 80109108
Additional Information
Gene ID 701
Other Names Mitotic checkpoint serine/threonine-protein kinase BUB1 beta, MAD3/BUB1-related protein kinase, hBUBR1, Mitotic checkpoint kinase MAD3L, Protein SSK1, BUB1B, BUBR1, MAD3L, SSK1
Target/Specificity The synthetic peptide sequence used to generate the antibody AP8059b was selected from the Center region of human BUB1B. A 10 to 100 fold molar excess to antibody is recommended. Precise conditions should be optimized for a particular assay.
Format Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.
PrecautionsThis product is for research use only. Not for use in diagnostic or therapeutic procedures.
Protein Information
Name BUB1B
Synonyms BUBR1, MAD3L, SSK1
Function Essential component of the mitotic checkpoint. Required for normal mitosis progression. The mitotic checkpoint delays anaphase until all chromosomes are properly attached to the mitotic spindle. One of its checkpoint functions is to inhibit the activity of the anaphase-promoting complex/cyclosome (APC/C) by blocking the binding of CDC20 to APC/C, independently of its kinase activity. The other is to monitor kinetochore activities that depend on the kinetochore motor CENPE. Required for kinetochore localization of CENPE. Negatively regulates PLK1 activity in interphase cells and suppresses centrosome amplification. Also implicated in triggering apoptosis in polyploid cells that exit aberrantly from mitotic arrest. May play a role for tumor suppression.
Cellular Location Cytoplasm. Nucleus. Chromosome, centromere, kinetochore. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Note=Cytoplasmic in interphase cells Associates with the kinetochores in early prophase. Kinetochore localization requires BUB1, PLK1 and CASC5
Tissue Location Highly expressed in thymus followed by spleen. Preferentially expressed in tissues with a high mitotic index
Research Areas
Citations (0)

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BUB1B, a member of the Ser/Thr protein kinase family, is a probable component of the mitotic checkpoint that delays anaphase until all chromosomes are properly attached to the mitotic spindle. It can interact with BUB3, CENP-F, CENP-E and mitosin, and can be localized to nuclear kinetochores. This protein is highly expressed in thymus and spleen. The CD1 domain directs kinetochore localization and binding to BUB3. The protein possesses a cyclin destruction box sequence, which targets protein for rapid degradation by ubiquitin-dependent proteolysis during the transition from mitosis to interphase. Defects in BUB1B are associated with tumor formation.


Cahill, D.P., et al., Genomics 58(2):181-187 (1999).Davenport, J.W., et al., Genomics 55(1):113-117 (1999).Chan, G.K., et al., J. Cell Biol. 143(1):49-63 (1998).Cahill, D.P., et al., Nature 392(6673):300-303 (1998).Taylor, S.S., et al., J. Cell Biol. 142(1):1-11 (1998).

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$ 80.00
Cat# BP8059b
(40 western blots)
Availability: In Stock
Bulk Size
Seasonal Special on Bulk Order
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