Ilex Life Sciences Fibroblast Growth Factor 1 (FGF-acidic) Mouse, E. coli Recombinant Protein (10 ug). DESCRIPTION: Our bioactive FGF-1 (FGF-acidic) Mouse, E. coli Recombinant Protein, also known as Fibroblast Growth Factor 1, is a single, non-glycosylated, polypeptide chain that contains 141 amino acids and has a 15.9 kDa molecular mass. The FGF1 is purified by proprietary chromatographic techniques. FORMULATION: Sterile filtered white lyophilized (freeze-dried) powder. The protein was lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.5. PURITY: Purity greater than 95.0% as determined by SDS-PAGE. BIOLOGICAL ACTIVITY: The ED50 as determined by the dose-dependent proliferation of mouse BALB/c 3T3 cells, is less than 0.2 ng/ml corresponding to a Specific Activity of 5x106 IU/mg. OTHER NAMES: Murine Fibroblast Growth Factor-1, FGF1, FGF-1, FGF acidic, FGF-a, Acidic fibroblast growth factor, aFGF, Heparin-binding growth factor 1, HBGF-1, UniProtKB# O54837.