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Medchemexpress LLC Recombinant human interleukin-21 (rHu IL-21) | >95.0% | 2UG
Supplier: Medchemexpress LLC HYP70382UG
Recombinant human interleukin-21 (rHu IL-21) is a tag-free, lyophilized cytokine produced in E. coli representing residues Q32-S162 of the human protein. It is provided with >95% purity and low endotoxin, and is intended for receptor binding studies, cell-based assays, and functional activity testing.
- Tag-free recombinant human sequence (Q32-S162).
- Lyophilized powder for convenient storage and handling.
- Purity greater than 95% by reducing SDS-PAGE.
- Low endotoxin level (<1 EU/μg).
- Predicted molecular mass 15.6 kDa; observed ~15.4-18.0 kDa by SDS-PAGE.
- Demonstrated biological activity with ED50 <0.5 ng/mL in cell assays.
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