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Recombinant Rat CCL20/MIP-3 alpha Protein

Catalog #: 540-RM
1 Citation Datasheet

Carrier Free

Catalog # Availability Size / Price Qty
540-RM-025/CF

With Carrier

Catalog # Availability Size / Price Qty
540-RM-025
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Recombinant Rat CCL20/MIP-3 alpha Protein Summary

Product Specifications

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.
Activity
Measured by its ability to chemoattract BaF3 mouse pro‑B cells transfected with human CCR6. The ED50 for this effect is 0.5‑3 µg/mL.
Source
E. coli-derived rat CCL20/MIP-3 alpha protein
Ala26-Met96
Accession #
P97884.1
N-terminal Sequence
Analysis
Ala26
Predicted Molecular Mass
8.2 kDa

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540-RM (with carrier)

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540-RM/CF (carrier free)

Product Datasheet

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.

540-RM

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein.
Reconstitution Reconstitute at 200 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
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.

540-RM/CF

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA.
Reconstitution Reconstitute at 200 μg/mL in sterile PBS.
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.

Background: CCL20/MIP-3 alpha

CCL20, also known as MIP-3 alpha, LARC (Liver and Activation-regulated Chemokine) and as Exodus, is one of many novel beta chemokines identified through bioinformatics. Rat CCL20 cDNA encodes a 96 amino acid (aa) precursor protein with a 25 aa putative signal peptide that is predicted to be cleaved to form the 71 aa mature secreted protein. CCL20 is distantly related to other beta chemokines (20 ‑ 28% aa sequence identity). Rat MIP-3 alpha shares approximately 70 and 61% aa sequence homology with mouse and human CCL20, respectively.

CCL20 has been shown to be expressed predominantly in lymph nodes, appendix, PBL, fetal liver, fetal lung, and epithelial cells of intestinal tissues. The expression of CCL20 is strongly up‑regulated by inflammatory signals and down‑regulated by the anti-inflammatory cytokine IL‑10. Synthetic or recombinant CCL20 has been shown to be chemotactic for lymphocytes and dendritic cells, and inhibits proliferation of myeloid progenitors in colony formation assays. CCL20 has now been shown to be a unique functional ligand for CCR-6 (previously referred to as GPR-CY4, CKR‑L3, or STRL22 orphan receptor), a chemokine receptor that is selectively and highly expressed in human dendritic cells derived from CD34+ cord blood precursors.

References
  1. Baba, M. et al. (1997) J. Biol. Chem. 272:14893.
  2. Hromas, R. et al. (1997) Blood 89:3315.
  3. Greaves, D.R. et al. (1997) J. Exp. Med. 186: 857.
  4. Tanaka, Y. et al. (1999) Eur. J. Immunol. 29:633.
Entrez Gene IDs
6364 (Human); 20297 (Mouse); 29538 (Rat)
Alternate Names
beta chemokine exodus-1; Beta-chemokine exodus-1; CC chemokine LARC; C-C motif chemokine 20; CCL20; chemokine (C-C motif) ligand 20; CKb4; exodus-1; LARC; LARCLiver and activation-regulated chemokine; MIP3 alpha; MIP-3 alpha; MIP-3a; MIP-3-alpha; MIP3AMacrophage inflammatory protein 3 alpha; SCYA20Small-inducible cytokine A20; small inducible cytokine subfamily A (Cys-Cys), member 20; ST38

Citation for Recombinant Rat CCL20/MIP-3 alpha Protein

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. A Crucial Role of CXCL14 for Promoting Regulatory T Cells Activation in Stroke
    Authors: HT Lee, SP Liu, CH Lin, SW Lee, CY Hsu, HK Sytwu, CH Hsieh, WC Shyu
    Theranostics, 2017-02-08;7(4):855-875.
    Species: Rat
    Sample Types: Whole Cells
    Applications: Bioassay

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