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SKU: PKSH030391_50μg-ES
Recombinant Human OXSR1/OSR1 Protein (GST Tag), 50 μg
Oxidative stress-responsive 1 protein (OXSR1), also known as Serine/threonine-protein kinase OSR1, is a member of the Ser/Thr protein kinase family of proteins. OXSR1 regulates downstream kinases in response to environmental stress, and may play a role in regulating the actin cytoskeleton. OXSR1 is a 58 kDa protein of 527 amino acids that is widely expressed in mammalian tissues and cell lines. The amino acid (aa) sequence of the predicted OXSR1 protein is 39% identical to that of human SOK1. Of potential regulators surveyed, endogenous OXSR1 is activated only by osmotic stresses, notably sorbitol and to a lesser extent NaCl. OXSR1 did not increase the activity of coexpressed JNK, nor did it activate three other MAPKs, p38, ERK2, and ERK5. Phosphorylation by OXSR1 modulates the G protein sensitivity of PAK isoforms. The OXSR1 and SPAK are key enzymes in a signalling cascade regulating the activity of Na+/K+/2Cl- co-transporters (NKCCs) in response to osmotic stress. Both kinases have a conserved carboxy-terminal (CCT) domain, which recognizes a unique peptide (Arg-Phe-Xaa-Val) motif. The OXSR1 and SPAK kinases specifically recognize their upstream activators and downstream substrates.
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Product Specification
Basic Information
Brands:Elabscience
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Place of Origin:China
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Sterile Status:
Reconstitution:Not Applicable
Shipping:This product is provided as liquid. It is shipped at frozen temperature with blue ice/gel packs. Upon receipt, store it immediately at < - 20°C.
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Calculated Molecular Weight:84.0 kDa
Observed Molecular Weight:80 kDa
Purity: > 88 % as determined by reducing SDS-PAGE.
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Storage:Store at < -20°C, stable for 6 months. Please minimize freeze-thaw cycles.
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Calculated Molecular Weight:84.0 kDa
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Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method.
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Research Areas:Signal Transduction;
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Bio-activity:Not validated for activity
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Formulation:Supplied as sterile solution of 50mM Tris, 100mM NaCl, pH 8.0, 0.5mM GSH, 0.5mM PMSF, 0.5mM EDTA, 10% glycerol
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