Human IL-1 beta / IL1B Protein

Species : Human

Synonyms : IL-1,IL-1 beta,IL-1B,IL1-BETA,IL1F2

Host : E. coli

Purity :> 95 % as determined by SDS-PAGE.

Activity : Measured by its ability to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The EC₅₀ for this effect is 0.5-3 ng/mL.The specific activity of Recombinant Human IL-1£] is approximately 1¡Ñ10E5 IU/£gg, which is calibrated against human IL-1£] WHO Standard (NIBSC code: 86/680).