Product Properties Alternative Names Interleukin-1 beta, IL-1 beta, IL1F2, IL1B, IL-1BETA, IL1F2, IL-1β, IL-1 beta, IL-1B ,Interleukin-1 β, IL-1 β, IL-1β, IL-1 β Species Cynomolgus Expression Sequence Ala117-Ser268 Accession A0A2K5VDC7 Tag C-His Expression System E.coli Molecular Weight The protein has a predicted MW of 18.33 kDa same as SDS-PAGE result. Purity > 95% as determined by SDS-PAGE and HPLC. Endotoxin < 1.0 EU per μg by the LAL method. Formulation Lyophilized from 0.22μm filtered solution in PBS,100mM L-arginine (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. Appearance Lyophilized Powder Biological Activity SPR Data:Human IL-1 RII, hFc Tag captured on CM5 Chip via Protein A can bind Cynomolgus IL-1 Beta, His Tag with an affinity constant of 1.40 nM as determined in SPR assay . Reconstitution Method Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water. Features High purity, high activity, low endotoxin, high batch-to-batch consistency Storage Store at -25 to -15°C. Once received, the product is valid for one year. After resuspension, store at -85 to -65°C. The product is valid for three months.
