Bub3 Antibody Cat. No.: 4227

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psi-iconSpecifications
HOST SPECIES:Rabbit
SPECIES REACTIVITY: Human, Mouse
HOMOLOGY: Predicted species reactivity based on immunogen sequence: Bovine: (100%)
IMMUNOGEN: Bub3 antibody was raised against a 16 amino acid synthetic peptide from near the carboxy terminus of human bub3.

The immunogen is located within the last 50 amino acids of Bub3.
TESTED APPLICATIONS: ELISA, ICC, IF, WB
APPLICATIONS: Bub3 antibody can be used for detection of bub3 by Western blot at 0.5 - 1 μg/mL. Antibody can also be used for immunocytochemistry starting at 10 μg/mL. For immunofluorescence start at 20 μg/mL.

Antibody validated: Western Blot in human samples; Immunocytochemistry in human samples and Immunofluorescence in human samples. All other applications and species not yet tested.
POSITIVE CONTROL:1) Cat. No. 1205 - Jurkat Cell Lysate
 2) Cat. No. 17-005 - Jurkat Cell Slide

psi-iconProperties
PURIFICATION:Bub3 Antibody is affinity chromatography purified via peptide column.
CLONALITY:Polyclonal
ISOTYPE:IgG
CONJUGATE:Unconjugated
PHYSICAL STATE:Liquid
BUFFER:Bub3 Antibody is supplied in PBS containing 0.02% sodium azide.
CONCENTRATION:1 mg/mL
STORAGE CONDITIONS:Bub3 antibody can be stored at 4˚C for three months and -20˚C, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.

psi-iconAdditional Info
OFFICIAL SYMBOL:BUB3
ALTERNATE NAMES:Bub3 Antibody: BUB3L, hBUB3, Mitotic checkpoint protein BUB3
ACCESSION NO.:O43684
PROTEIN GI NO.:7387554
GENE ID:9184
USER NOTE:Optimal dilutions for each application to be determined by the researcher.
psi-iconBackground and References
BACKGROUND:Bub3 Antibody: The mitotic checkpoint protein Bub3 is involved with the essential spindle checkpoint pathway which operates during early embryogenesis. Bub3 is important during G2 and early mitosis stages, permitting entry into mitosis depending upon the assembly state of microtubules, thus preventing premature sister chromatid separation, mis-segregation and aneuploidy. Bub3 contains four WD repeat domains and is required for the kinetochore localization of Bub1, a related kinase that is necessary for spindle assembly checkpoint function. Bub1 is able to autophosphorylate and can catalyze the phosphorylation of Bub3. Both Bub1 and Bub3 are mutually dependent for function. Altered Bub expression levels may significantly impair mitotic checkpoint function and is associated with tumor cell proliferation.
REFERENCES:1) Kalitsis P, Earle E, Fowler KJ, et al. Bub3 gene disruption in mice reveals essential mitotic spindle checkpoint function during early embryogenesis. Genes Dev.2000; 14:2277-82.
2) Taylor SS, Ha E and McKeon F. The human homologue of Bub3 is required for kinetochore localization of Bub1 and a Mad3/Bub1-related protein kinase. J. Cell Biol.1998; 142:1-11.
3) Warren CD, Brady DM, Johnston RC, et al. Distinct chromosome segregation roles for spindle checkpoint proteins. Mol. Biol. Cell2002; 13: 3029-41.
4) Roberts BT, Farr KA and Hoyt MA. The Saccharomyces cerevisiae checkpoint gene BUB1 encodes a novel protein kinase. Mol. Cell. Biol.1994; 14:8282-91.

ANTIBODIES FOR RESEARCH USE ONLY.

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