Synonym
L15; IL-15; IL-15MGC9721; Interleukin-15
Source / expression
Recombinant Human IL-15 Protein 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
Less than 0.05 EU per μg by the LAL method.
Purity
> 95% as determined by Bis-Tris PAGE
> 95% as determined by HPLC
Formulation
Lyophilized from 0.22 μm filtered solution in 20 mM Tris, 150 mM NACI (pH 7.5). Normally 8% mannitol 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
-20 to -80°C for 12 months as supplied from date of receipt.
-80°C for 3 months after reconstitution.
Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
