Uromodulin: Functions in biogenesis and organization of the apical membrane of epithelial cells of the thick ascending limb of Henles loop (TALH), where it promotes formation of complex filamentous gel-like structure that may play a role in the water barrier permeability. May serve as a receptor for binding and endocytosis of cytokines (IL-1, IL-2) and TNF. Facilitates neutrophil migration across renal epithelia. By similarity Uromodulin, secreted form: In the urine, may contribute to colloid osmotic pressure, retards passage of positively charged electrolytes, prevents urinary tract infection and inhibits formation of liquid containing supersaturated salts and subsequent formation of salt crystals. Source: Recombinant protein corresponding to aa25-588 from mouse Uromodulin, fused to His-Tag at N-terminal, expressed in Yeast. Molecular Weight: ~64.2kD Amino Acid Sequence: NSTEARRCSECHNNATCTVDGVVTTCSCQTGFTGDGLVCEDMDECATPWTHNCSNSSCVNTPGSFKCSCQDGFRLTPELSCTDVDECSEQGLSNCHALATCVNTEGDYLCVCPEGFTGDGWYCECSPGSCEPGLDCLPQGPDGKLVCQDPCNTYETLTEYWRSTEYGVGYSCDAGLHGWYRFTGQGGVRMAETCVPVLRCNTAAPMWLNGSHPSSSEGIVSRTACAHWSDQCCRWSTEIQVKACPGGFYIYNLTAPPECNLAYCTDPSSVEGTCEECRVDEDCISDNGRWRCQCKQDSNITDVSQLEYRLECGANDIKMSLRKCQLQSLGFMNVFMYLNDRQCSGFSESDERDWMSIVTPARNGPCGTVLRRNETHATYSNTLYLANAIIIRDIIIRMNFECSYPLDMKVSLKTSLQPMVSALNISLGGTGKFTVRMALFQSPTYTQPHQGPSVMLSTEAFLYVGTMLDGGDLSRFVLLMTNCYATPSSNSTDPVKYFIIQDSCPRTEDTTIQVTENGESSQARFSVQMFRFAGNYDLVYLHCEVYLCDSTSEQCKPTCSGTRF Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20C. 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.
Supplied as a lyophilized powder from 20mM Tris-HCl, 0.5M sodium chloride, pH 8.0, 6% trehalose. Reconstitute with sterile ddH2O to a concentration of 0.1-1mg/ml.
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