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You are here:Home » Growth Factors, Cytokines » Growth Factors-FGF » Fibroblast Growth Factor, Basic, Recombinant, Bovine (FGFb)

Fibroblast Growth Factor, Basic, Recombinant, Bovine (FGFb)

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Specifications

Single-chain polypeptide growth factor that plays a significant role in the process of wound healing and is a potent inducer of angiogenesis. The growth factor is an extremely potent inducer of DNA synthesis in a variety of cell types from mesoderm and neuroectoderm lineages. It was originally named basic fibroblast growth factor based upon its chemical properties and to distinguish it from acidic fibroblast growth factor.
Catalog #F4210-20B
Recombinant Bovine FGF-b (FGF-2) is a single, non-glycosylated, polypeptide chain containing 155 amino acids having a molecular mass of 17,250D.
SequenceThe sequence of the first five N-terminal amino acids was determined and was found to be Met-Ala-Ala-Gly-Ser.
Protein ContentProtein quantitation was carried out by two independent methods:
1. UV spectroscopy at 280nm.
2. Analysis by RP-HPLC, using a standard solution of FGF-b as a Reference Standard.
Biological ActivityrbFGF-b is fully biologically active when compared to standards. The ED50, measured in a mitogenic assay using quiescent NR6R-3T3 fibroblasts was found to be less then 0.1ng/ml, corresponding to a specific activity of 3x10e6 Units/mg.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. 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 Weight17.25kD
SourceRecombinant, Bovine expressed in E. coli
Purity97% by RP-HPLC, FPLC, or reducing/non-reducing SDS-PAGE Silver Stain. Chromatographically purified.
FormSupplied as a lyophilized powder from 1% HSA. Reconstitute in sterile ddH2O to a concentration of >0.1mg/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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