IL1B Protein (Native, Human)
Product Specifications
Abbreviation
IL1B
Synonyms
IL-1, IL-1B, IL1-BETA, IL1beta, IL1F2
Host
E. coli
Tag
Native
Endotoxin
< 5 EU per mg of the protein.
Purity
≥ 95 % as determined by SDS-PAGE. ≥ 95 % as determined by SEC-HPLC.
Bioactivity
Measured by its ability to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is typically 0.2-2 ng/mL. The specific activity of recombinant human IL-1 beta is >60,000 IU/μg, which is calibrated against the human IL-1 beta WHO International Standard (NIBSC code: 86/680) .
Function
Ala 117-Ser 269
Molecular Weight
The recombinant human IL1B consists of 154 amino acids and predicts a molecular mass of 17.5 kDa
Species
Human
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