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RecombinantFGF-21,Human
Catalog Number: orb1494881
| Catalog Number | orb1494881 |
|---|---|
| Category | Proteins |
| Description | Fibroblast Growth Factor-21 (FGF-21) is a metabolic cytokine belonging to the heparin-binding FGF family. Along with FGF-19/15 and FGF-23, FGF-21 is categorized as a member of the atypical FGF subfamily, as it must be complexed to the Klotho co-receptor in order to bind to the FGF receptors and activate the downstream signaling pathway. In vivo FGF-21 is expressed in liver, pancreas, adipose tissue, and skeletal muscle, and it plays a central role in the energy metabolism. The expression of FGF-21 is stimulated by free fatty acids and insulin resistant states and is correlated with whole-body insulin resistance. FGF-21 activates glucose uptake in adipocytes and increases insulin sensitivity, implicating it as a novel target with potential anti-diabetic properties.Recombinant human Fibroblast Growth Factor-21 (rhFGF-21) produced in E.coli is a single non-glycosylated polypeptide chain containing 182 amino acids. A fully biologically active molecule, rhFGF-21 has a molecular mass of 19.5 kDa analyzed by reducing SDS-PAGE and is obtained by proprietary chromatographic techniques at GenScript. |
| Form/Appearance | Lyophilized after extensive dialysis against PBS. |
| Purity | > 95% as analyzed by SDS-PAGE and HPLC. |
| MW | 19.5 kDa, observed by reducing SDS-PAGE. |
| Protein Sequence | GH PIPDSSPLLQ FGGQVRQRYL YTDDAQQTEA HLEIREDGTV GGAADQSPES LLQLKALKPG VIQILGVKTS RFLCQRPDGA LYGSLHFDPE ACSFRELLLE DGYNVYQSEA HGLPLHLPGN KSPHRDPAPR GPARFLPLPG LPPALPEPPG ILAPQPPDVG SSDPLSMVGP SQGRSPSYAS |
| Source | Escherichia coli. |
| Biological Activity | ED50 2× 10ˆ3 units/mg. |
| Endotoxins | < 0.2 EU/μg, determined by LAL method. |
| Storage | Lyophilized recombinant human Fibroblast Growth Factor-21 (rhFGF-21) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, rhFGF-21 remains stable up to 2 weeks at 4°C or up to 3 months at -20°C. |
| Buffer/Preservatives | Lyophilized after extensive dialysis against PBS. |
| Alternative names | FGF21, fibroblast growth factor-21, FGFL Read more... |
| Note | For research use only |
| Application notes | Reconstituted in ddH2O at 100 μg/mL. |
| Expiration Date | 6 months from date of receipt. |
