IL-1 beta Recombinant Protein

IL-1 beta Recombinant Protein

• Description: IL-1β is a proinflammatory cytokine produced in a variety of cells including monocytes, tissue macrophages, keratinocytes and other epithelial cells. 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. However, whereas IL-1β is a secreted cytokine, IL-1α is predominantly a cell-associated cytokine. Recombinant murine IL-1β is a 17.5 kDa protein containing 153 amino acid residues.
• Synonyms: Il1b; Il-1b; IL-1beta
• CAS Number: 9000-83-3
• NCBI Gene ID: 16176
• UniProt: P10749
• Accession Number: NP_032387
• Accession Number mRNA: NM_008361
• Gene Location: 2 F; 2 73.0 cM
• Host: E. coli
• Origin Species: Mouse
• Species Reactivity: Human, Monkey, Pig, Rat, Mouse
• Sequence: MVPIRQLHYR LRDEQQKSLV LSDPYELKAL HLNGQNINQQ VIFSMSFVQG EPSNDKIPVA LGLKGKNLYL SCVMKDGTPT LQLESVDPKQ YPKKKMEKRF VFNKIEVKSK VEFESAEFPN WYISTSQAEH KPVFLGNNSG QDIIDFTMES VSS
• Detection Range: The ED50 as determined by the dose-dependent stimulation of murine D10S cells is ≤ 0.002 ng/ml, corresponding to a specific activity of ≥ 5 x 108 units/mg.
• Endotoxin: < 0.1 ng/µg of protein (<1EU/µg)
• Purity: > 98% by SDS-PAGE & HPLC analyses
• Length: 153
• Form: Lyophilized
• Buffer: 10mM Sodium Citrate, pH 4.0
• Reconstitution: Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.
• Molecular Weight: 17.5 kDa
• Shipping Conditions: Room Temperature
• Storage Conditions: The lyophilized protein is stable at room temperature for 1 month and at 4°C for 6 months. Reconstituted working aliquots are stable for 1 week at 2°C to 8°C and for 6 months at -20°C to -80°C.