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FGF-4, human recombinant

An important growth factor for fibroblasts and endothelial cells
Catalog #: 4043
SKU-Size Size Price Qty
4043-25 25 μg
4043-100 100 μg
4043-1000 1 mg
4043-5000 5 mg
More Sizes Get Quote

Product Details

Alternate Name FGF4; HBGF-4; HST; HST-1; HSTF1; K-FGF; KFGF, Heparin secretory-transforming protein 1, Heparin-binding growth factor 4, Transforming protein KS3
Gene Symbol FGF-4
Gene ID 2249
Accession # P08620
Source E. coli
Appearance Lyophilized protein
Physical Form Description Lyophilized from a sterile solution containing 10 mM Sodium phosphate buffer and 75 mM NaCl.
Molecular Weight 19.0 kDa
Purity by SDS-PAGE ≥97%
Endotoxin Level <0.01 ng/μg
Biological Activity Recombinant human FGF-4 has full biological activity when compared standards. The ED₅₀, as determined by its ability to induce the proliferation of mouse NR6R-3T3 fibroblasts, is typically 0.25-1.25 ng/ml.
Reconstitution Instructions When reconstituting the product, gently pipet and wash down the sides of the vial to ensure full recovery of the protein into solution. It is recommended to reconstitute the lyophilized product with sterile H₂O at a concentration of 0.1 mg/ml, which can b
Handling Centrifuge the vial prior to opening.
Storage Conditions -20°C
USAGE For Research Use Only! Not to be used in humans


Fibroblast Growth Factor 4 (FGF-4) is a growth factor predominantly expressed during embryonic development, playing a key role in limb development. In culture, FGF-4 has been shown to be an important growth factor for fibroblasts and endothelial cells. Human FGF-4 shares high homology and cross-reactivity with the mouse protein. Recombinant human FGF-4, produced in E.coli, is a non-glycosylated protein containing 177 amino acids and having a total molecular mass of 19 kDa.

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