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Synonyms
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Catabolin, Leukocyte Endogenous Mediator, LEM, Lymphocyte-activating factor , LAF, Mononuclear Cell Factor, MCF , Endogenous Pyrogen, EP
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Species
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Rhesus Macaque
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Accession
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P48090
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GeneID
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704701
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Source
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Escherichia coli.
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Molecular Weight
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重组恒河猴猕猴白细胞介素1 beta蛋白Approximately 17.3 kDa, a single non-glycosylated polypeptide chain containing 153 amino acids.
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Quantity
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2µg/10µg/1000µg
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AA Sequence
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APVRSLHCTL RDAQLKSLVM SGPYELKALH LQGQDLEQQV VFSMSFVQGE ESNDKIPVAL GLKAKNLYLS CVLKDDKPTL QLESVDPKNY PKKKMEKRFV FNKIEINNKL EFESAQFPNW YISTSQAENM PVFLGGTRGG QDITDFTMQF VSS
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Purity
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重组恒河猴猕猴白细胞介素1 beta蛋白> 98 % by SDS-PAGE and HPLC analyses.
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Biological Activity
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Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine D10.G4.1 cells is less than 10 pg/ml, corresponding to a specific activity of > 1.0 × 108 IU/mg.
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Physical Appearance
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Sterile Filtered White lyophilized (freeze-dried) powder.
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Formulation
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Lyophilized from a 0.2 µm filtered concentrated solution in PBS, pH 7.4.
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Endotoxin
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Less than 1 EU/µg of rRhIL-1β as determined by LAL method.
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Reconstitution
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重组恒河猴猕猴白细胞介素1 beta蛋白We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
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Storage
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This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
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重组恒河猴猕猴白细胞介素1 beta蛋白
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SDS-PAGE
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Reference
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1. Bankers-Fulbright, J.L., K.R. Kalli, and D.J. McKean. 1996. Life Sci, 59: 61-83.
2. Dinarello, C.A. 1997. Semin Oncol, 24: S9-81-S9-93.
3. Martinon, F., and J. Tschopp. 2007. Cell Death Differ, 14: 10-22.
4. Villinger, F., S.S. Brar, A. Mayne, et al. 1995. J Immunol, 155: 3946-54.
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Background
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Interleukin-1beta (IL-1β) is a non-secreted proinflammatory cytokine produced mainly by activated macrophages, as well as neutrophils, epithelial cells, and endothelial cells. It possesses metabolic, physiological, haematopoietic activities, and plays one of the central roles in the regulation of the immune responses. Both IL-1α and IL-1β 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. The mature Rhesus macaque IL1β shares 96% amino acid sequence identity with rhesus and 67% -78% with canine, mouse and rat IL1β.
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