Name: | Mouse Monoclonal to Aurora A/B kinase. |
Immunogen: | Full length recombinant human Aurora A protein expressed in and purified from E. coli. |
HGNC Name: | AURKA, AURKB |
UniProt: | Q96GD4, O14965 |
Molecular Weight: | 46kDa, 38kDa |
Host: | Mouse |
Isotype: | IgG1 |
Species Cross-Reactivity: | Human, rat, mouse, horse, dog |
RRID: | AB_2572231 |
Format: | Purified antibody at 1mg/mL in 50% PBS, 50% glycerol plus 5mM NaN3 |
Applications: | WB, IF/ICC, IHC |
Recommended Dilutions: | WB: 1:1,000-1;2,000. ICC/IF or IHC: 1:1,000-1:2,000. |
Storage: | Store at 4°C for short term, for longer term at -20°C |
Mouse Monoclonal Antibody to Aurora A/B kinase
Cat# MCA-5A12
$120.00 – $800.00
Aurora proteins are a family of serine/threonine protein kinases which play a key role in the regulation of cell division which were originally discovered in studies of Drosophila (1). Mammalian genomes encode 3 aurora kinases named aurora A, B and C, each containing a variable regulatory domain at the N terminus followed by a catalytic serine/threonine kinase domain which is almost identical between them, see here for sequence alignment. As a result it is possible to generate antibodies which react with only one aurora kinase or cross react with two or more other kinases. Aurora A and B are almost ubiquitous in distribution while C is normally only expressed in testis. Aurora A is required for centrosome duplication, entry into mitosis, formation of bipolar spindle and mitotic checkpoint (3). Aurora B is a chromosomal passenger protein and essential for chromosome condensation, kinetochore functions, spindle checkpoint activation and cytokinesis completion (4). Aurora C is normally involved in spermatogenesis, but may also be expressed in many transformed cell lines and tumors and has been less well studied to date (5). The aurora kinases are essential for the progression to cell division and as a result there has been much interest in the development of drugs aimed at inhibiting their activity for use as anticancer agents (6,7). We have made a panel of antibodies to the aurora kinases, concentrating originally on aurora A and B, and we made recombinant full length human aurora constructs of all three to document their potential cross reactivity.
MCA-5A12 was made against full length recombinant aurora A and, using appropriate recombinant human constructs, was shown to bind aurora A and B but not C. This antibody will therefore stain microtubules in the spindle midzone and spindle poles where aurora a is localized and the inner centromere where aurora B is localized. Both proteins are found in the midbody. Antibodies such as this can therefore be used to visualize midbodies on dividing cells and identify cells which are about to divide. We also supply other aurora specific antibodies, to aurora A and MCA-1A11, another antibody to both aurora A and B, MCA-3H1 and aurora B specific, MCA-6G2, and MCA-3F11. Mouse select image at left for larger view.
A sequence alignment of the 3 human aurora molecules can be downloaded from here.
1. Glover DM, Leibowitz MH, McLean DA, Parry H. Mutations in aurora prevent centrosome separation leading to the formation of monopolar spindles. Cell 81:95-105 (1995).
2. Hochegger H, Hegarat N, Pereira-Leal JB. Aurora at the pole and equator: overlapping functions of Aurora kinases in the mitotic spindle. Open Biol. 20:120185 (2013).
3. Barr AR, Gergely F. Aurora-A: the maker and breaker of spindle poles. J. Cell Sci. 120:2987-96 (2007).
4. Andrew PD, Knatko E, Moore WJ, Swedlow JR. Mitotic mechanics: the auroras come into view. Curr. Opin. Cell Biol. 15:672-83 (2003).
5. Tang CJ, Lin CY, Tang TK. Dynamic localization and functional implications of Aurora-C kinase during male mouse meiosis. Dev. Biol. 290:398-410 (2006).
6. Andrews PD. Aurora kinases: shining lights on the therapeutic horizon? Oncogene (2005) 24:5005–15 (2005).
7. Boris AC, Bhatt HG. A comprehensive review on Aurora kinase: Small molecule inhibitors and clinical trial studies. Eur. J. Med. Chem. 140:1-19 (2017).
A sequence alignment of the 3 human aurora molecules can be downloaded from https://encorbio.com/Alignments/Aurora_alignment.pdf.
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Contact info
EnCor Biotechnology Inc.
4949 SW 41st Boulevard, Ste 40
Gainesville
Florida 32608 USA
Phone: (352) 372 7022
Fax: (352) 372 7066
E-mail: admin@encorbio.com