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CDKN1B Antibody
Purified Mouse Monoclonal Antibody
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Application 
| WB, E |
|---|---|
| Primary Accession | P46527 |
| Reactivity | Human |
| Host | Mouse |
| Clonality | Monoclonal |
| Clone Names | 3D8 |
| Isotype | IgG1 |
| Calculated MW | 22kDa |
| Description | p27 KIP 1 is a cell cycle regulatory mitotic inhibitor of cdk activity. p27 KIP 1 is a candidate tumor suppressor gene, and has been proposed to function as a possible mediator of TGF beta induced G1 arrest. p27 KIP 1 is up regulated in response to antimitogenic stimuli. The increased protein expression of p27 results in cellular arrest by binding to cyclin/Cdk complexes such as cyclin D1/Cdk4. Decreased levels of p27Kip1, mainly due to proteosomal degradation, are found in various epithelial tumors originating from lung, breast, colon, ovary, esophagus, thyroid and prostate.Tissue specificity: Expressed in all tissues tested. Highest levels in skeletal muscle, lowest in liver and kidney. |
| Immunogen | Purified recombinant fragment of human CDKN1B expressed in E. Coli. |
| Formulation | Ascitic fluid containing 0.03% sodium azide. |
| Gene ID | 1027 |
|---|---|
| Other Names | Cyclin-dependent kinase inhibitor 1B, Cyclin-dependent kinase inhibitor p27, p27Kip1, CDKN1B, KIP1 |
| Dilution | WB~~1/500 - 1/2000 |
| Storage | Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
| Precautions | CDKN1B Antibody is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | CDKN1B {ECO:0000303|PubMed:20824794} |
|---|---|
| Function | Important regulator of cell cycle progression. Inhibits the kinase activity of CDK2 bound to cyclin A, but has little inhibitory activity on CDK2 bound to SPDYA (PubMed:28666995). Involved in G1 arrest. Potent inhibitor of cyclin E- and cyclin A-CDK2 complexes. Forms a complex with cyclin type D-CDK4 complexes and is involved in the assembly, stability, and modulation of CCND1-CDK4 complex activation. Acts either as an inhibitor or an activator of cyclin type D-CDK4 complexes depending on its phosphorylation state and/or stoichometry. |
| Cellular Location | Nucleus. Cytoplasm. Endosome. Note=Nuclear and cytoplasmic in quiescent cells. AKT- or RSK-mediated phosphorylation on Thr-198, binds 14-3-3, translocates to the cytoplasm and promotes cell cycle progression. Mitogen-activated UHMK1 phosphorylation on Ser-10 also results in translocation to the cytoplasm and cell cycle progression. Phosphorylation on Ser-10 facilitates nuclear export. Translocates to the nucleus on phosphorylation of Tyr-88 and Tyr-89. Colocalizes at the endosome with SNX6; this leads to lysosomal degradation (By similarity) |
| Tissue Location | Expressed in kidney (at protein level) (PubMed:15509543). Expressed in all tissues tested (PubMed:8033212) Highest levels in skeletal muscle, lowest in liver and kidney (PubMed:8033212). |
Research Areas
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Application Protocols
Provided below are standard protocols that you may find useful for product applications.
References
1. Exp Mol Med. 2009 Nov 30;41(11):765-71. 2. Int J Gynecol Pathol. 2010 Jan;29(1):8-18.
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$ 325.00
Cat# AO1397a
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