Home  >  Products  >  14-3-3, sigma (14-3-3 Protein sigma, Stratifin, SFN, Epithelial Cell Marker Protein 1, Er, HGNC:10773, HME1, Mme1, OTTHUMP00000004242, YWHAS)
14-3-3, sigma (14-3-3 Protein sigma, Stratifin, SFN, Epithelial Cell Marker Protein 1, Er, HGNC:10773, HME1, Mme1, OTTHUMP00000004242, YWHAS)

14-3-3, sigma (14-3-3 Protein sigma, Stratifin, SFN, Epithelial Cell Marker Protein 1, Er, HGNC:10773, HME1, Mme1, OTTHUMP00000004242, YWHAS)

Cat no: 0014-19C

Supplier: United States Biological
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14-3-3 proteins are 30kD polypeptides with nine closely related members in mammals. They are also found in plants and fungi. 14-3-3 proteins are a family of small, widely expressed, highly conserved cytosolic proteins which 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 proteins form homo- and heterodimeric cup-like structures that bind to discrete phosphoserine-containing motifs. In some instances, 14-3-3 proteins appear to export their binding partners from the nucleus to the cytoplasm in a phosphorylation and Crm1-dependent manner. 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. Expression of 14-3-3 sigma is higher in normal epithelial cells. Applications: Suitable for use in ELISA and Western Blot. Other applications not tested. Recommended Dilution: ELISA: 1:64000 Western Blot: 0.1-0.3ug/ml Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Catalogue number: 0014-19C
Reactivities: Human, Mouse, Rat, Canine
Hosts: Goat
Applications: ELISA, Western Blot
Size: 100ug
Form: Supplied as a liquid in Tris-saline, 0.5 mg/ml, 0.02% sodium azide, pH 7.3, 0.5% BSA.
P type: Pab
Purity: Purified by immunoaffinity chromatography.
References: 1. Lodygin D, Hermeking H. The role of epigenetic inactivation of 14-3-3sigma in human cancer. Cell Res. 2005 Apr;15(4):237-46. Review.
Additional info: Recognizes human 14-3-3 sigma at ~28kD in human skin lysates (calculated MW of 27.8kDa according to NP_006133.1). Species Crossreactivity: Mouse, rat and dog.

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