Synonym
Interleukin-15; IL-15; IL15; il 15; MGC9721
Source / expression
Recombinant GMP Human IL-15 is expressed from E.coli without tag.It contains Asn49-Ser162 [Accession | P40933-1].
Molecular weight
The protein has a predicted MW of 12.8 kDa same as Bis-Tris PAGE result.
Endotoxin
≤ 0.01 EU per μg by the LAL method.
Purity
≥ 95% as determined by SEC-HPLC.
Formulation
Lyophilized from 0.22 μm filtered solution in 20 mM Tris, 150 mM NaCl (pH 7.5). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution
Dissolve the lyophilized protein in distilled water. Please refer to the Certificate of Analysis for detailed instructions.
Storage
The product is shipped with ice bag. Store it immediately at -20°C±5°C upon arrival.
-20°C±5°C for 36 months in lyophilized state.
Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.