IL-1 beta Recombinant Protein Cat. No.: 40-101

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psi-iconSpecifications
SPECIES:Rat
SOURCE SPECIES:E. coli
SEQUENCE:MVPIRQLHCR LRDEQQKCLV LSDPCELKAL HLNGQNISQQ VVFSMSFVQG ETSNDKIPVA LGLKGLNLYL SCVMKDGTPT LQLESVDPKQ YPKKKMEKRF VFNKIEVKTK VEFESAQFPN WYISTSQAEH RPVFLGNSNG RDIVDFTMEP VSS
TESTED APPLICATIONS:
BIOLOGICAL ACTIVITY: The ED50 was determined by the dose - dependent stimulation of murine D10S cells is < 0.1 ng/mL, corresponding to a specific activity of > 1 x 107 units/mg.
psi-iconProperties
PURITY:Greater than 98% by SDS-PAGE gel and HPLC analyses.

Endotoxin level is less than 0.1 ng per μg (1EU/μg).
PHYSICAL STATE:Lyophilized
STORAGE CONDITIONS:The lyophilized IL-1 beta recombinant protein is stable for at least 2 years from date of receipt at -20˚C. Reconstituted IL-1 beta is stable for at least 3 months when stored in working aliquots with a carrier protein at -20˚C. As with any protein, exposing IL-1 beta recombinant protein to repeated freeze / thaw cycles is not recommended. When working with proteins care should be taken to keep recombinant protein at a cool and stable temperature.
psi-iconAdditional Info
ALTERNATE NAMES:Interleukin-1 beta, IL-1 beta
ACCESSION NO.:NP_113700.2
PROTEIN GI NO.:158186736
OFFICIAL SYMBOL:Il1b
GENE ID:24494
psi-iconBackground and References
BACKGROUND:IL-1beta is a proinflammatory cytokine produced in a variety of cells including monocytes, tissue macrophages, keratinocytes and other epithelial cells. Both IL-1alpha and IL-1 beta binds to the same receptor and has similar if not identical biological properties. These cytokines have a broad range of activities including, stimulation of thymocyte proliferation, by inducing IL-2 release, B-cell maturation and proliferation, mitogenic FGF-like activity and the ability to stimulate the release of prostaglandin and collagenase from synovial cells. However, whereas IL-1beta is a secreted cytokine, IL-1alpha is predominantly a cell-associated cytokine. Recombinant rat IL-1beta is a 17.3 kDa protein containing 153 amino acid residues.

FOR RESEARCH USE ONLY.

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