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Encompassing Amino Acids: 22-120
Amino Acid Sequence: RVTKDAETEFMMSKLPLENPVLLDRFHATSADCCISYTPRSIPCSLLESYFETNSECSKPGVIFLTKKGRRFCANPSDKQVQVCMRMLKLDTRIKTRKN
Background: CCL23 (MPIF-1, CK8, SCYA23), a member of the CC chemokine family, was originally isolated from a human aortic endothelial cell library and from the human monocytic cell line THP-1. It is most closely related to MIP-1 and interacts with its receptor CCR1, which is expressed on monocytes, dendritic cells, lymphocytes, and endothelial cells. Functionally, CCL23 has chemotactic activity for monocytes, DC, lymphocytes, neutrophils, osteoclast precursor cells, and endothelial cells. In contrast, CCL23 reduces the proliferation of progenitor cells giving rise to granulocyte and monocyte lineages, whereas it enhances angiogenesis of endothelial cells.
Biological Activity: Determined by its ability to chemoattract human T cells using a concentration range of 2.0-40.0 ng/ml.
Description: Recombinant MIP-3 alpha (CCL20) is a disulfide-linked monomeric protein consisting of 71 amino acid residues and migrates as an approximately 8 kDa protein under non-reducing conditions and reducing conditions in SDS-PAGE. Optimized DNA sequence encoding Human MIP-3 alpha mature chain was expressed in E. coli.
Endotoxin Level: <0.1 ng/µg (1 EU/µg), using the LAL gel clot method.
Format: lyophilized protein
Formulation: Lyophilized from a 0.2 µm filtered 20 mM Phosphate buffer, 100 mM NaCl, pH 7.5.
Genbank: P55773
Purity: ≥98% by SDS-PAGE and HPLC
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.
Uniprot: P55773
Warnings: Avoid freeze/thaw cycles.
Biosafety Level: Not applicable (BSL-1)
References: Miao, Z., et al. J. Immunol., Jun 2007, 178: 7395 - 7404.
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