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Human CellExp™ Cystatin C, Human Recombinant

A biomarker of kidney function
Catalog #: 4878
SKU-Size Size Price Qty
4878-10 10 μg
4878-50 50 μg
More Sizes Get Quote

Product Details

Alternate Name Cystatin-3, Gamma-trace neuroendocrine basic polypeptide, Post-gamma-globulin
Gene Symbol CST4
Gene ID 1472
Accession # P01036
Source Human 293 cells
Appearance Lyophilized protein
Physical Form Description Lyophilized in PBS
Molecular Weight 12-13 kDa
Purity by SDS-PAGE ≥95%
Endotoxin Level <0.1 ng/μg
Biological Activity The inhibitory function of Cystatin C on papin’s protease activity was measured by a colorimetric assay using L-BAPA as substrate. IC50 value was measured at 5 to 20 µg/mL (0.3 to 1.5 µM) with a range of 1.56 µg/mL to 50 µg/mL Cystatin C in pr
Reconstitution Instructions Reconstitute in sterile PBS.
Handling Centrifuge the vial prior to opening.
Storage Conditions -20°C
USAGE For Research Use Only! Not to be used in humans


Xeno-free Cystatin C HuXp (Cys-C) is expressed in human 293 cells as a monomer with an apparent molecular mass of 12 to 13 kDa. Native Cys-C in human urine is found in two different forms: one with pI 9.2 and the other with pI 7.8 by elimination of small basic peptides or amino acids from the N-terminal end of protein. Cystatin C has been studied for its role in predicting new onset or deteriorating cardiovascular disease. This cytokine is produced in a serum-free, chemically defined media.

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