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Medchemexpress LLC Fibroblast growth factor 21 | 500UG
Supplier: Medchemexpress LLC HYP701092500UG
Recombinant human fibroblast growth factor 21 (FGF-21), 181 amino acids, supplied as a lyophilized powder. FGF-21 is an endocrine regulator of energy homeostasis with reported metabolic and cardioprotective effects. This product sheet provides formulation, endotoxin, activity, and storage information for research applications.
- Sequence length: 181 amino acids.
- Molecular weight: ~23 kDa (SDS-PAGE).
- Endotoxin: <1 EU/μg (LAL).
- Formulation: lyophilized from 20 mM PB, 150 mM NaCl or PBS with 8% trehalose.
- Expression system: Escherichia coli.
- Biological activity: ED50 ≤1.071 μg/mL (NIH-3T3 assay with β-Klotho).
- Storage: store at -20°C; reconstituted stable at 4°C for 1 week or -20°C for long term.
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