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联系方式
公司地址
苏州工业园区生物纳米园A4#216
联系电话
4000-520-616 / 18915418616
传真号码
0512-67156496
电子邮箱
info@ebiomall.com
公司网址
https://www.ebiomall.com
商品描述
Species: Mouse
Host Species: E. coli
MW: 17 kDa
Genbank #: P10749
a.a: 118–269
Background:
Monocytes are the main source of secreted IL-1. They express predominantly IL-1beta while human keratinocytes express large amounts of IL-1alpha. Murine macrophages display a transition from IL-1beta to IL-1alpha production during maturation of monocytes into inflammatory macrophages.There are two functionally almost equivalent forms of IL-1, IL-1alpha and IL-1beta that are encoded by two different genes. IL1-beta is the predominant form in humans while it is IL-1alpha in mice. Both forms of IL-1 bind to the same receptor and therefore also show similar if not identical biological activities. The IL-1beta but not the IL-1alpha precursor must be processed before it can bind to the receptor. Both forms of IL-1 bind to the same receptor and therefore also show similar if not identical biological activities. The receptor isolated from T-cells is expressed predominantly on T-cells and cells of mesenchymal origin. It binds both types of IL-1 with equal affinity. This type is called also Type 1 receptor. It has been designated CD121a. The Type 2 receptor has been designated CD121b. It is isolated from B-cells, granulocytes, and macrophages. It is expressed predominantly on B-cells and cells of the myelomonocytic lineage and is encoded by a separate gene.
Description:
Recombinant IL-1 beta is a disulfide-linked monomer protein consisting of two 153 amino acid residues. Recombinant IL-1 beta migrates as an approximately 17 kDa protein under non-reducing conditions and reducing conditions in SDS-PAGE. Optimized DNA sequence encoding murine Interleukin-1 beta mature chain was expressed in E. coli.
UniProt
P10749
Synonym(s):
IL-1B, IL-1beta, Interleukin-1 beta, Catabolin
Purity:
≥98% by SDS-PAGE and HPLC
Endotoxin Level:
<0.1 ng/µg (1 EU/µg), using the LAL gel clot method.
Biological Activity:
The ED50 was determined by the dose-dependent stimulation of thymidine uptake by murine D10S cells is ≤ 2.0 pg/ml, corresponding to a specific activity of ≥5 x 108 units/mg.
Formulation:
Lyophilized from 0.2 µm filtered PBS, pH 7.
Format:
lyophilized protein
Reconstitution:
Reconstitute at 0.1-1.0 mg/ml in distilled water. This solution can then be diluted into other buffers. To maximize product collection from vial surface, vortex briefly and then spin down to recollect the liquid.
Storage / Stability:
The lyophilized protein is stable for at least 2 years from date of receipt when stored at -20°C. Upon reconstitution, store in working aliquots at +4°C for up to one month, or at -20°C for up to six months, in the presence of a carrier protein. Avoid repeated freeze/thaw cycles.
Reference(s):
1. J. Pharmacol. Exp. Ther., Oct 2009, 331: 104 - 113.
2. J. Endocrinol., Oct 2009, 203: 55 - 63.
3. Nephrol. Dial. Transplant., Sep 2009, 24: 2655 - 2665.
2. J. Endocrinol., Oct 2009, 203: 55 - 63.
3. Nephrol. Dial. Transplant., Sep 2009, 24: 2655 - 2665.
Warning(s):
Avoid freeze/thaw cycles
Amino Acid Sequence:
VPIRQLHYRLRDEQQKSLVLSDPYELKALHLNGQNINQQVIFSMSFVQGEPSNDKIPVALGLKGKNLYLSCVMKDGTPTLQLESVDPKQYPKKKMEKRFVFNKIEVKSKVEFESAEFPNWYISTSQAEHKPVFLGNNSGQDIIDFTMESVSS
Scientific Category:
Cytokine/Growth Factors
Product Type:
Recombinant Protein
Data shown is lot-specific. Contact us for specific information on other lots.
