Recombinant Human CCL13/MCP-4 Protein

R&D Systems | Catalog # 327-P4

R&D Systems
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Key Product Details

  • R&D Systems E. coli-derived Recombinant Human CCL13/MCP-4 Protein (327-P4)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

E. coli

Accession Number

Q99616.1

Applications

Bioactivity
View all CCL13/MCP-4 Proteins and Enzymes »

Product Specifications

Source

E. coli-derived human CCL13/MCP-4 protein
Gln24-Thr98

Purity

>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Gln24

Predicted Molecular Mass

8.6 kDa

Activity

Measured by its ability to chemoattract 2-day cultured human monocytes. Matsushima, K. et al. (1989) J. Exp. Med. 169:1485.
The ED50 for this effect is 0.02-0.06 µg/mL.

Measured by its ability to chemoattract BaF3 mouse pro‑B cells transfected with human CCR2A.
The ED50 for this effect is 0.5-2 µg/mL.

Formulation, Preparation, and Storage

Carrier Free
What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

Carrier: 327-P4
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile deionized water.  
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Carrier Free: 327-P4/CF
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in sterile deionized water.  
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: CCL13/MCP-4

Human CCL13 is a CC chemokine recently cloned from a human fetal and a human heart cDNA library. Human CCL13 cDNA encodes a 98 amino acid residue precursor protein with a 23 amino acid residue hydrophobic signal peptide that is cleaved to yield an 8 kDa, 75 aa mature CCL13. Mature CCL13 lacks any potential N-glycosylation sites and shares a pyroglutamate proline motif with other human MCP proteins. Human CCL13 is most homologous to MCP-1, 3 and Eotaxin, exhibiting approximately 65 - 66% amino acid sequence identity. CCL13 mRNA is expressed by a number of activated cell types, including endothelial cells, macrophages, bronchial epithelium and type II alveolar cells, and perhaps lymphocytes. CCL13 is a chemoattractant for monocytes and eosinophils, and activates basophils. In addition, it has been reported to be chemotactic for CD4+ and CD8+ T cells, with an activity almost equivalent to that of MCP-3. The bioactivities of CCL13 is most likely mediated by the CC chemokine receptors CCR-2 and CCR-3, both of which have been shown to bind CCL13.

References

  1. Garcia-Zepeda, E.A. et al. (1996) J. Immunol. 157:5613.
  2. Uguccioni, M. et al. (1996) J. Exp. Med. 183:2379.
  3. Godisha, R. et al. (1997) J. Leukoc, Biol. 61:353.
  4. Stellato, C. et al. (1997) J. Clin. Invest. 99:926.
  5. Heath, H. et al. (1997) J. Clin. Invest. 99:178.
  6. Charo, I.F. et al. (1994) Proc. Natl. Acad. Sci. USA 91:2752.
  7. Daugherty, B.L. et al. (1996) J. Exp. Med. 183:2349.
  8. Combadiere, C. et al. (1995) J. Biol. Chem. 270:16491.

Alternate Names

MCP-4, MCP4

Entrez Gene IDs

6357 (Human)

Gene Symbol

CCL13

UniProt

Q99616.1

Additional CCL13/MCP-4 Products

Product Documents for Recombinant Human CCL13/MCP-4 Protein

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Note: Certificate of Analysis not available for kit components.

Download SDS 327-P4 (with carrier)
Download SDS 327-P4/CF (carrier free)

Product Specific Notices for Recombinant Human CCL13/MCP-4 Protein

For research use only

Related Research Areas

Chemokines and Receptors

Citations for Recombinant Human CCL13/MCP-4 Protein

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