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You are here:Home » Growth Factors, Cytokines » Growth Factors-FGF » Fibroblast Growth Factor 19, Recombinant, Human (FGF19)

Fibroblast Growth Factor 19, Recombinant, Human (FGF19)

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Specifications

Catalog #F4212-91A
SourceRecombinant corresponding to 195aa from human Fibroblast Growth Factor 19 expressed in E. coli.
Molecular Weight~21.8kD
Endotoxin ~0.1ng/ug
Biological ActivityFGF-19 is a high affinity heparin dependent ligand for FGFR4. Embryonic regions known to express FGF-19 include skin, cartilage, retina, gall bladder and small intestine.
Storage and StabilityLyophilized powder may be stored at 4°C for short-term only. Reconstitute to nominal volume by adding sterile ddH2O, 0.1-1% BSA, aliquot and store at -20°C. Reconstituted product is stable for 12 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.
Molecular Weight~21.8kD
SourceE. coli
Purity~95% (SDS-PAGE, HPLC). Purified by sequential chromatography.
ConcentrationNot determined
FormSupplied as a lyophilized powder in 5mM Tris, pH 7.6, 75mM sodium chloride. Sterile-filtered prior to lyophilization. Reconstitute with sterile ddH2O to 0.1-1mg/ml.
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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