Synonym
IL-1F7b; IL-HLa; FIL1 zeta; IL-1X; IL-1F7; IL-1H; IL-1H4; IL-1 zeta; IL-1RP1; FIL1Z; IL1F7; IL1H4; IL1RP1
Source / expression
Recombinant Human IL-37b Protein is expressed from E.coli without tag.It contains Val46~Asp218 [Accession | Q9NZH6-1].
Molecular weight
The protein has a predicted MW of 19.30 kDa same as Bis-Tris PAGE result.
Endotoxin
Less than 1 EU per μg by the LAL method.
Purity
> 95% as determined by Bis-Tris PAGE
> 90% as determined by HPLC
Formulation
Lyophilized from 0.22μm filtered solution in 20mM PB, 150mM NaCl, 2mM DTT (pH 7.4). 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
-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.