Source:Recombinant protein corresponding to 195aa from human Fibroblast Growth Factor 19 expressed in E. coli.
Molecular Weight:~21.8kD
Endotoxin: ~0.1ng/ug
Biological Activity:FGF-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 Stability:Lyophilized 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.
仕様
Size：25ug
Source Antigen：Recombinant, E. coli
Grade：Highly Purified
Purity：~95% (SDS-PAGE, HPLC). Purified by sequential chromatography.
Form：Supplied 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.
