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You are here:Home » Molecular Biology » Growth Factors-FGF » FGF21, Recombinant, Human (Fibroblast Growth Factor 21)

FGF21, Recombinant, Human (Fibroblast Growth Factor 21)


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The protein encoded by this gene is a member of the fibroblast growth factor (FGF) family. FGF family members possess broad mitogenic and cell survival activities and are involved in a variety of biological processes including embryonic development, cell growth, morphogenesis, tissue repair, tumor growth and invasion. The function of this growth factor has not yet been determined.
Catalog #169446
SourceRecombinant protein corresponding to human FGF21 expressed in E. coli (Accession# Q9NSA1).
Molecular Weight~19.5kD
Endotoxin<0.01ng/ug or <0.1EU/ug
Biological ActivityThe activity is determined by the dose-dependent proliferation of NIH 3T3 cells in the presence of 5ug/ml FGF binding protein and is typically 0.12-0.6ug/ml.
Storage and StabilityMay be stored at 4°C for short-term only. 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.
Molecular Weight~19.5kD
SourceE. coli
ConcentrationAs reported
FormSupplied as a lyophilized powder in 10mM Na2PO4, 100mM NaCl, pH 7.5. Reconstitute in sterile H2O.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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