| Product SKU | BCACP-001144 |
| Product Description | Recombinant Human Interleukin-21 (IL21) protein is expressed from Mammalian cell with Tag free. It contains 25-162aa. [Accession | Q9HBE4]. |
| Uniprot No. | Q9HBE4 |
| Gene Names | IL-21 |
| Purity | Greater than 95% as determined by SDS-PAGE. |
| Expression System | Mammalian cell |
| Expression Region | 25-162aa |
| Species | Homo sapiens (Human) |
| Tag Info | Tag free |
| Molecular weight | 15.9 kDa |
| Activity | Measured in a serum-free cell proliferation assay using MCF-7 human breast cancer cells. The ED50 for this effect ≤1.5 ng/mL. |
| Buffer | Lyophilized from a 0.2 μm filtered 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0 |
| Storage | Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles. |
| Alternative Names | Interleukin-21; IL-21; Za11; IL21 |
SDS-PAGE: Single band at expected molecular weight confirming purity.
ELISA: Suitable as coating antigen or detection standard.
Western Blot: Compatible with standard Western Blot protocols.
Protein Interaction: Validated for SPR (Surface Plasmon Resonance) and BLI (Bio-Layer Interferometry) studies.
Shipping: Shipped at ambient temperature. Lyophilized protein is stable during transit.
Storage: Store lyophilized protein at -20°C to -80°C. Reconstituted protein should be aliquoted and stored at -80°C. Avoid repeated freeze-thaw cycles.
Shelf Life: 12 months from date of receipt when stored as recommended.
Shipping Time: Orders placed before 2 PM EST ship same day. International orders typically deliver within 5-10 business days.
