Recombinant Human FGF-4 Catalog Number: 100-31 Synonyms: Fibroblast Growth Factor-4, HST-1, transforming protein KS3, HBGF-4 Description: FGF-4 is a heparin binding growth factor that is a member of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-4 signals through the FGFR 1c, 2c, 3c, and 4. Recombinant human FGF-4 is a 19.7 kDa protein consisting of 182 amino acid residues. AA Sequence: GRGGAAAPTA PNGTLEAELE RRWESLVALS LARLPVAAQP KEAAVQSGAG DYLLGIKRLR RLYCNVGIGF HLQALPDGRI GGAHADTRDS LLELSPVERG VVSIFGVASR FFVAMSSKGK LYGSPFFTDE CTFKEILLPN NYNAYESYKY PGMFIALSKN GKTKKGNRVS PTMKVTHFLP RL Source: E.coli Purity: Greater than 95% by SDS-PAGE gel and HPLC analyses. Biological Activity: The ED50 as determined by the dose-dependent stimulation of thymidine uptake by BaF3 cells expressing FGF-receptors is ≤ 0.5 ng/ml, corresponding to a specific activity of ≥ 2 x 106 units/mg. Cross Reactivity: Mouse, Rat, Human, N/A, Pig, Chicken Country of Origin: USA |