| Code | CSB-AP002471HU |
| Abbreviation | Recombinant Human FGF21 protein (Active) |
| MSDS | |
| Size | $142 |
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FGF21 functions as a key metabolic hormone that signals through FGFR1c/β-Klotho complexes to regulate glucose homeostasis, lipid metabolism, and energy balance—making it a high-value target in both metabolic disease and tumor biology research. This tag-free recombinant human FGF21, covering the full mature sequence (residues 29–209), demonstrates confirmed receptor-binding potency with an ED50 below 0.5 μg/ml in a β-Klotho-dependent BaF3 proliferation assay, corresponding to a specific activity exceeding 2.0 × 10³ IU/mg—data that supports use in cell proliferation assays, receptor-ligand binding studies via SPR or ELISA, and in vivo tumor biology models. The E. coli expression system produces a non-glycosylated protein, which provides a suitable basis for structure-function studies where glycan-independent signaling needs to be isolated. Endotoxin levels below 1.0 EU/μg and purity above 96% by SDS-PAGE together satisfy the criteria typically required for sensitive cell-based assays and antibody characterization workflows.
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