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BUBR1 (BUB1B) Antibody (N-term)
Purified Rabbit Polyclonal Antibody (Pab)
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- CITATIONS
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- BACKGROUND
Application 
| IHC-P, WB, E |
|---|---|
| Primary Accession | O60566 |
| Reactivity | Human |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Calculated MW | 119545 Da |
| Antigen Region | 3-33 aa |
| 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 | This BUBR1 (BUB1B) antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 3-33 amino acids from the N-terminal region of human BUBR1 (BUB1B). |
| Dilution | WB~~1:1000 IHC-P~~1:50~100 |
| Format | Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is prepared by Saturated Ammonium Sulfate (SAS) precipitation followed by dialysis against PBS. |
| Storage | Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
| Precautions | BUBR1 (BUB1B) Antibody (N-term) is for research use only and not for use in diagnostic or therapeutic procedures. |
| 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 KNL1 |
| Tissue Location | Highly expressed in thymus followed by spleen. Preferentially expressed in tissues with a high mitotic index |
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Provided below are standard protocols that you may find useful for product applications.
Background
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.
References
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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