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Medchemexpress LLC Interleukin-21 (rat) | >95.0% | 10 UG
Supplier: Medchemexpress LLC HYP7481810UG
Recombinant rat interleukin-21 (partial, residues P25-S146) is supplied as a tag-free, E. coli-expressed lyophilized protein for research use in immunology and cell-signaling assays. The material is provided in a 10 μg unit and is characterized for purity, molecular mass, endotoxin level, and functional activity.
- Expressed in E. coli; tag free.
- Partial fragment P25-S146; sequence provided.
- Purity >95.0% by reducing SDS-PAGE.
- Observed molecular weight ~16 kDa (predicted 14.5 kDa).
- Endotoxin <1 EU/μg (LAL method).
- Biological activity: functional ELISA, ED50 = 12.16 ng/mL.
- Formulation: lyophilized from PBS, pH 7.4.
- Storage: store at -20°C; freeze aliquots for long-term stability.
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