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IL-1β, Mouse(CHO-expressed)

Interleukin-1 (IL-1) is a family of cytokines that play a central role in the regulation of immune and inflammatory responses to infections or sterile insults. IL-1α and IL-1β are the first two members discovered in this family, which are the products of distinct genes recognizing the same cell surface receptors. IL-1α and IL-1β are structurally related polypeptides that show approximately 25% homology at the amino acid level. Both proteins are produced by a wide variety of cells in response to stimuli such as those produced by inflammatory agents, infections, or microbial endotoxins. The proteins are synthesized as 31 kDa precursors that are subsequently cleaved into proteins with molecular weights of approximately 17.5 kDa. The specific protease responsible for the processing of IL-1β is interleukin 1β-converting enzyme (ICE)/caspase-1. Mature human and mouse IL-1β share approximately 75% amino acid sequence identity where human IL-1β has been found to be active on murine cell lines.
Z02988
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Species Mouse
Protein Construction
IL-1β (Val118-Ser269)
Accession # P10749
Purity > 95% as analyzed by SDS-PAGE
> 95% as analyzed by HPLC
Endotoxin Level < 0.2 EU/μg of protein by gel clotting method
Biological Activity ED50 < 10.0 pg/ml, measured in a cell proliferation assay using D10S cells, corresponding to a specific activity of > 1.0 × 108 units/mg.
Expression System CHO
Apparent Molecular Weight ~17.4 kDa, on SDS-PAGE under non-reducing conditions.
Formulation Lyophilized after extensive dialysis against PBS.
Reconstitution It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in ddH₂O or PBS up to 100 μg/ml.
Storage & Stability Upon receiving, this product remains stable for up to 6 months at lower than -70°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Avoid repeated freeze-thaw cycles.

Target Background Interleukin-1 (IL-1) is a family of cytokines that play a central role in the regulation of immune and inflammatory responses to infections or sterile insults. IL-1α and IL-1β are the first two members discovered in this family, which are the products of distinct genes recognizing the same cell surface receptors. IL-1α and IL-1β are structurally related polypeptides that show approximately 25% homology at the amino acid level. Both proteins are produced by a wide variety of cells in response to stimuli such as those produced by inflammatory agents, infections, or microbial endotoxins. The proteins are synthesized as 31 kDa precursors that are subsequently cleaved into proteins with molecular weights of approximately 17.5 kDa. The specific protease responsible for the processing of IL-1β is interleukin 1β-converting enzyme (ICE)/caspase-1. Mature human and mouse IL-1β share approximately 75% amino acid sequence identity where human IL-1β has been found to be active on murine cell lines.
Synonyms IL1B; IL-1; IL1-BETA; IL1F2; interleukin 1 beta; IL1beta

 For laboratory research use only. Direct human use, including taking orally and injection and clinical use are forbidden.


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