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Encompassing Amino Acids: Full Length
Applications: Western blot
Background: 14-3-3 alpha/beta is a member of the highly conserved 14-3-3 family of proteins which mediate signal transduction by binding to phosphoserine-containing proteins (1). 14-3-3 alpha/beta protein has been shown to interact with RAF1 and CDC25 phosphatases, suggesting that it may play a role in linking mitogenic signaling and the cell cycle machinery. 14-3-3-alpha/beta interacts with the TSC1-TSC2 dimer (2). The interaction required phosphorylation of TSC2 at Ser1210. Binding of 14-3-3-alpha/beta to TSC2 did not alter the interaction between TSC1 and TSC2, but it reduced the ability of the complex to inhibit phosphorylation of ribosomal protein S6 kinase impairing the ability of the complex to inhibit cell growth.
Description: Human 14-3-3 alpha/beta Protein, GenBank Accession No. NM_003404, full length, with C-terminal His tag, expressed in an E. coli expression system. MW = 32 kDa.
Format: Aqueous buffer solution
Formulation: 50 mM sodium phosphate, pH 7.0, 300 mM NaCl, 150 mM imidazole, 0.1 mM PMSF, 0.25 mM DTT, 25% glycerol
Genbank: NM_003404
Storage Stability: Store product at -80°C. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.
Tags: C-terminal His tag
Uniprot: P31946
Biosafety Level: Not applicable (BSL-1)
References: 1. Yaffe, M B. et al: The structural basis for 14-3-3: phosphopeptide binding specificity. Cell 91: 961-971, 1997. 2. Shumway, S D. et al: 14-3-3-beta binds to and negatively regulates the tuberous sclerosis complex 2 (TSC2) tumor suppressor gene product, tuberin. J. Biol. Chem. 278: 2089-2092, 2003.
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