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Amino Acid Sequence: SDGGGQD CCLKYSQKKI PYSIVRGYRK QEPSLGCPIPAILFSPRKHS KPELCANPEE GWVQNLMRRL DQPPAPGKQS PGCRKNRGTS KSGKKGKGSKGCKRTEQTQP SRG
Background: Exodus-2, which is a member of the family of CC- Chemokines, has a unique 36 (murine) or 37 (human) amino acid carboxyl-terminal extension not seen in other chemokines. Exodus-2 selectively stimulates the chemotaxis of adult T-lymphocytes and is expressed preferentially in lymph node tissue. Exodus-2 is critical for adult T-cell adhesion to high endothelial venules in lymph nodes, a rate-limiting step for T-cell trafficking through nodal tissue.
Biological Activity: Determined by its ability to chemoattract total lymphocyte population using a concentration range of 10.0-100.0 ng/ml.
Description: Recombinant mouse Exodus-2 is a disulfide-linked homodimeric protein consisting of 111 amino acid residues, and migrates as an approximately 12 kDa protein under non-reducing and reducing conditions in SDS-PAGE. Optimized DNA sequence encoding murine Exodus-2 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 0.2 µm filtered PBS solution.
Genbank: P84444
Purity: ≥95% 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: P84444
Warnings: Avoid freeze/thaw cycles.
Biosafety Level: Not applicable (BSL-1)
References: J. Exp. Med., Jan 2000, 191: 61.
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