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Western blot analysis of PP2A Catalytic α on A431 lysate. Lane 1: 1:5000, lane 2: 1:10000, lane 3: 1:20000 dilution of PP2A Catalytic α.
Catalytic alpha (clone 46) staining on rat brain. Formalin fixed paraffin section without citrate buffer pretreatment. 40X
BD Transduction Laboratories™ Purified Mouse Anti-PP2A Catalytic α
BD Transduction Laboratories™ Purified Mouse Anti-PP2A Catalytic α
Regulatory Status Legend
Any use of products other than the permitted use without the express written authorization of Becton, Dickinson and Company is strictly prohibited.
Preparation And Storage
Recommended Assay Procedures
Recommended Assay Procedure:
Western blot: Please refer to http://www.bdbiosciences.com/pharmingen/protocols/Western_Blotting.shtml
Product Notices
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- Source of all serum proteins is from USDA inspected abattoirs located in the United States.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
Protein phosphatases of the type 2A (PP2A) are composed of two regulatory and one catalytic subunit. The different subunits are encoded by multiple genes. PP2A are specific for phosphoserine and phosphothreonine residues of proteins that are involved in the regulation of cellular growth. PP2A binds and dephosphorylates the middle T antigens of polyoma virus. This interaction may regulate the transcriptional activity of the virus. The 36 kDa catalytic subunit is rapidly tyrosine phosphorylated as a result of growth factor stimulation or cell transformation. Tyrosine phosphorylation of the catalytic subunit may inactivate the phosphatase activity of PP2A.
Development References (5)
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Chen J, Parsons S, Brautigan DL. Tyrosine phosphorylation of protein phosphatase 2A in response to growth stimulation and v-src transformation of fibroblasts. J Biol Chem. 1994; 269(11):7957-7962. (Biology). View Reference
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Efendiev R, Yudowski GA, Zwiller J, et al. Relevance of dopamine signals anchoring dynamin-2 to the plasma membrane during Na+,K+-ATPase endocytosis. J Biol Chem. 2002; 277(46):44108-44114. (Clone-specific: Immunofluorescence, Western blot). View Reference
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Nunbhakdi-Craig V, Machleidt T, Ogris E, Bellotto D, White CL 3rd, Sontag E. Protein phosphatase 2A associates with and regulates atypical PKC and the epithelial tight junction complex. J Cell Biol. 2002; 158(5):967-978. (Clone-specific: Western blot). View Reference
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Reiken S, Gaburjakova M, Guatimosim S. Protein kinase A phosphorylation of the cardiac calcium release channel (ryanodine receptor) in normal and failing hearts. Role of phosphatases and response to isoproterenol. J Biol Chem. 2003; 278(1):444-453. (Clone-specific: Western blot). View Reference
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Yang J, Fan GH, Wadzinski BE, Sakurai H, Richmond A. Protein phosphatase 2A interacts with and directly dephosphorylates RelA. J Biol Chem. 2002; 276(51):47828-47833. (Clone-specific: Immunoprecipitation, Western blot). View Reference
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