Procalcitonin is a peptide hormone mainly produced by the C cells of the thyroid and certain endocrine cells of the lung. Under normal expression conditions, procalcitonin is immediately cleaved into three specific fragments, an N terminal residue, calcitonin and katacalcin. Levels of unprocessed Procalcitonin rise significantly after bacterial infection, trauma or shock.||Source:|Recombinant protein corresponding to human Procalcitonin, a single, non-glycosylated, polypeptide chain containing 116aa, expressed in E. coli. ||Molecular Weight: |~13.2kD||Biological Activity:|Tested using Biomerieux reagents on the Min-Vidas. The assay was run at 80ng/ml with a recovery of 82%.||Storage and Stability:|Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months 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.

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