RNA Polymerase Sigma Factor for Flagellar Operon, Recombinant, E. coli, aa1-239

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£642.00

SKU:: 586203
Molekulargewicht:: 27.7
Reinheit:: ≥85% (SDS-PAGE)
Lagerbedingungen:: -20°C
Hersteller:: United States Biological
Format:: 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.
Weitere Details:: Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor controls the expression of flagella-related genes. Source: Recombinant protein corresponding to aa1-239 from Escherichia coli RNA polymerase sigma factor for flagellar operon, expressed in E.coli. Molecular Weight: ~27.7kD Amino Acid Sequence: MNSLYTAEGVMDKHSLWQRYVPLVRHEALRLQVRLPASVELDDLLQAGGIGLLNAVERYDALQGTAFTTYAVQRIRGAMLDELRSRDWVPRSVRRNAREVAQAIGQLEQELGRNATETEVAERLGIDIADYRQMLLDTNNSQLFSYDEWREEHGDSIELVTDDHQRENPLQQLLDSNLRQRVMEAIETLPEREKLVLTLYYQEELNLKEIGAVLEVGESRVSQLHSQAIKRLRTKLGKL Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°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.