14-3-3 sigma (Epithelial Cell Marker Protein 1, Stratifin, SFN, HME1)

14.3.3 proteins are a family of small, widely expressed, highly conserved cytosolic proteins. 14.3.3 proteins bind to and influence the activities of a diverse group of molecules involved in signal transduction, cell cycle regulation and apoptosis, including Raf, PKC, Bad, Cbl, and c-Bcr. Interactions between 14.3.3 and target proteins are strongly influenced by the phosphorylation state of 14.3.3 and the target protein. 14.3.3-sigma shares cyclin-Cdk2 binding motifs with different cell cycle regulators, including p107, p130, p21Cip1, p27Kip1, and p57Kip2 and is associated with cyclin-Cdk complexes in vitro and in vivo.\n\nApplications:\nSuitable for use in Western Blot, Immunoprecipitation and Immunohistochemistry. Other applications not tested.\n\nRecommended Dilution:\nWestern Blot: 1ug/ml for 2hrs at RT\nImmunoprecipitation: 2ug/mg protein lysate\nImmunohistochemistry (Formalin fixed paraffin embedded): 1:50 for 30min at RT\nStaining of formalin-fixed tissues requires boiling tissue sections in 10mM citrate buffer, pH 6.0, for 10min followed by cooling at RT for 20min\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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