PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides. FkpA probably acts in the folding of extra cytoplasmic domain proteins. Source: Recombinant protein corresponding to aa21-268 of Aeromonas Hydrophila FKBP-Type Peptidyl-Prolyl Cis-Trans Isomerase FkpA, fused to 6xHis-Sumo-Tag at N-terminal, expressed in E. coli. Molecular Weight: ~42.7kD Amino Acid Sequence: CQKDEKTAANTAEVKAEASKPAEAPKAEAKSFEEQSGYAIGLSMGRYIANTLERQQELGIKLDNSVILKGVTDGLGKEAKMTDEEIQKVLQQYDAKINELTKAKADKDAVENQKKGEEYLAANAKKEGVKSTESGLQYQVEKMGTGAKPKATDIVKVHYTGTLTDGTKFDSSVDRGEPATFPLNQVIPGWTEGVQLMPVGSKFKFFLPSKLAYGEHGAGSIPANAVLVFDVELLAIEKPAADGDNAKK 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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