PLK1 ANTIBODY
Source Reactivity Background References- Product Name
- PLK1 ANTIBODY
- Chemical Name
- PLK1 ANTIBODY
- Synonyms
- PLK1 ANTIBODY;Mouse Monoclonal PLK1 Antibody
- CBNumber
- CB74732171
- Formula Weight
- 0
- MOL File
- Mol file
N-Bromosuccinimide Price
- Product number
- orb6761
- Product name
- PLK1 antibody
- Purity
- Affinity purified by Protein A
- Packaging
- 100μg
- Price
- $421.6
- Updated
- 2021/12/16
- Product number
- orb6761
- Product name
- PLK1 antibody
- Purity
- Affinity purified by Protein A
- Packaging
- 200μg
- Price
- $673.2
- Updated
- 2021/12/16
PLK1 ANTIBODY Chemical Properties,Usage,Production
Source
Rabbit
Reactivity
Human;Mouse;Rat;Monkey
Background
At least four distinct polo-like kinases exist in mammalian cells: PLK1, PLK2, PLK3, and PLK4/SAK. PLK1 apparently plays many roles during mitosis, particularly in regulating mitotic entry and exit. The mitosis promoting factor, cdc2/cyclin B1, is activated by dephosphorylation of cdc2 by cdc25C. PLK1 phosphorylates cdc25C at Ser198 and cyclin B1 at Ser133, causing translocation of these proteins from the cytoplasm to the nucleus. PLK1 phosphorylation of Myt1 at Ser426 and Thr495 has been proposed to inactivate Myt1, one of the kinases known to phosphorylate cdc2 at Thr14/Tyr15. Polo-like kinases also phosphorylate the cohesin subunit SCC1, causing cohesin displacement from chromosome arms that allow for proper cohesin localization to centromeres. Mitotic exit requires activation of the anaphase promoting complex, a ubiquitin ligase responsible for removal of cohesin at centromeres, and degradation of securin, cyclin A, cyclin B1, Aurora A, and cdc20. PLK1 phosphorylation of the APC subunits Apc1, cdc16, and cdc27 has been demonstrated in vitro and has been proposed as a mechanism by which mitotic exit is regulated.Substitution of Thr210 with Asp has been reported to elevate PLK1 kinase activity and delay/arrest cells in mitosis, while a Ser137Asp substitution leads to S-phase arrest. In addition, while DNA damage has been found to inhibit PLK1 kinase activity, the Thr210Asp mutant is resistant to this inhibition. PLK1 has been reported to be phosphorylated in vivo at Ser137 and Thr210 in mitosis; DNA damage prevents phosphorylation at these sites.
References
[1] Nigg, E.A. (1998) Curr Opin Cell Biol 10, 776-83.
[2] Toyoshima-Morimoto, F. et al. (2002) EMBO Rep 3, 341-8.
[3] Toyoshima-Morimoto, F. et al. (2001) Nature 410, 215-20.
[4] Peter, M. et al. (2002) EMBO Rep 3, 551-6.
[5] Jackman, M. et al. (2003) Nat Cell Biol 5, 143-8.
[6] Nakajima, H. et al. (2003) J Biol Chem 278, 25277-80.
[7] Sumara, I. et al. (2002) Mol Cell 9, 515-25.
[8] Hauf, S. et al. (2001) Science 293, 1320-3.
[9] Peters, J.M. (1999) Exp. Cell Res. 248, 339-49.
[10] Kraft, C. et al. (2003) EMBO J 22, 6598-609.
PLK1 ANTIBODY Preparation Products And Raw materials
Raw materials
Preparation Products
PLK1 ANTIBODY Suppliers
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