| Field | Specification |
|---|---|
| Alternative Names | C-C Motif Chemokine 18;Alternative Macrophage Activation-Associated CC Chemokine 1;AMAC-1;CC Chemokine PARC;Dendritic Cell Chemokine 1;DC-CK1;Macrophage Inflammatory Protein 4;MIP-4;Pulmonary and Activation-Regulated Chemokine;Small-Inducible Cytokine A18;CCL18;AMAC1;DCCK1;MIP4;PARC;SCYA18 |
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Scientific Background
C-C Motif Chemokine 18 (CCL18) is secreted protein that belongs to the intercrine beta (chemokine CC) family. CCL18 is expressed at high levels in the lung, lymph nodes, placenta, bone marrow, and dendritic cells. CCL18 is a chemotactic factor that attracts lymphocytes but not monocytes or granulocytes. CCL18 may be involved in B-cell migration into B-cell follicles in lymph nodes. CCL18 attracts naive T-lymphocytes toward dendritic cells and activated macrophages in lymph nodes. It has chemotactic activity for naive T-cells, CD4 and CD8 T-cells and thus may play a role in both humoral and cell-mediated immunity responses.
Product Description
E. coli Expression | Recombinant ProteinRecombinant CCL18 Human protein is produced in E. coli expression system and supplied as lyophilized powder for stable long-term storage. Suitable for binding assays, SPR/BLI interaction studies, antibody development, ELISA development, and drug discovery applications.
Protein Specifications
| UniProt ID | P55774 |
|---|---|
| Expression System | E. coli |
| Affinity Tag | C-6×His Tag |
| Molecular Weight | 10.1 kDa |
| Purity | Greater than 95% as determined by reducing SDS-PAGE. |
| Formulation | Lyophilized from a 0.2 μm filtered solution of PBS, 5% Trehalose, pH 7.4. |
| Storage | Store at -20°C to -80°C for 12 months in lyophilized form. After reconstitution, if not intended for… |
| Delivery | In Stock |
Safety & Handling
Research use only
This protein was produced in E. coli. Mammalian expression enables human-like glycosylation, correct disulfide bond formation, and proper protein folding — all critical for proteins used in binding interaction studies (SPR/BLI) and antibody characterisation. For transmembrane proteins expressed as ectodomains or nanodisc preparations, the expression system directly affects binding conformation and assay performance.
The expressed amino acid region is specified in the protein specifications table. Cross-reference with the UniProt entry (P55774) to confirm the expressed region includes your domain of interest — receptor-binding domain, extracellular domain, or specific epitope — before ordering.
Greater than 95% as determined by reducing SDS-PAGE.. A gel image showing the protein band is provided with each lot on the Certificate of Analysis. This high-purity specification is suitable for SPR/BLI kinetics measurements, ELISA standard curve development, and antibody epitope binding studies.
Please refer to the Certificate of Analysis (CoA) for reconstitution instructions for your specific lot. Storage: Store at -20°C to -80°C for 12 months in lyophilized form. After reconstitution, if not intended for use within a month, aliquot and store at -80°C (A Prepare single-use working aliquots after reconstitution to avoid repeated freeze-thaw cycles. Lyophilized protein is stable for 12 months at −80°C from the date of receipt.
Options listed in “availability content”; other statuses may take longer. Contact BioHippo to confirm current availability and place time-sensitive orders. For large-scale or bulk requirements, extended lead times may apply for custom production runs.
BioHippo offers flexible sourcing for qualified research institutions and partners.
- Alternative tag formats: Different Fc isotypes (hFc vs mFc), His-tag, or biotinylated variants may be available upon request.
- Biotinylated proteins: Site-specific biotinylation for SPR/BLI streptavidin-coated chip immobilisation.
- Nanodisc preparations: Full-length transmembrane protein in synthetic nanodisc format for soluble binding studies.
- Bulk quantities: mg-scale production for high-throughput screening.
- Custom species variants: Mouse, rat, or non-human primate orthologs may be available.
Contact BioHippo customer support for custom requirements.
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