Fibroblast Growth Factor-21 Human Recombinant, His Tag

Fibroblast Growth Factor -21 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 202 amino acids (29-209) and having a molecular mass of 21.6 kDa (molecular weight on SDS-PAGE will appear higher). The FGF-21 is fused to a 20 amino acid His Tag at N-terminus and purified by proprietary chromatographic techniques.
Amino Acid Sequence:MGSSHHHHHH SSGLVPRGSH MHPIPDSSPL LQFGGQVRQR YLYTDDAQQT EAHLEIREDG TVGGAADQSP ESLLQLKALK PGVIQILGVKTSRFLCQRPD GALYGSLHFD PEACSFRELL LEDGYNVYQS EAHGLPLHLP GNKSPHRDPA PRGPARFLPL PGLPPAPPEP PGILAPQPPD VGSSDPLSMV GPSQGRSPSY AS.
Physical Appearance and Stability: Store at 4C if entire vial will be used within 2-4 weeks. Store, frozen at -20C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please avoid freeze thaw cycles.
Formulation and Purity: The FGF-21 His tag protein (1mg/ml) solution in 20mM Tris-HCl buffer pH-8 and 10% glycerol. Greater than 90.0% as determined by SDS-PAGE.
Biological Activity: Measured in a cell proliferation assay using NIH-3T3 cells. The ED50 for this effect is < 12ng/ml, which corresponds to > 83, 000 units/ml.
Shipping Format and Condition: Lyophilized powder at room temperature.
Usage Statement: Our products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.