Recombinant Human CCL3L1/LD78 beta

Carrier Free

Catalog # Availability Size / Price Qty
509-MI-025/CF

With Carrier

Catalog # Availability Size / Price Qty
509-MI-025
R&D Systems Recombinant Proteins and Enzymes
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Citations (3)
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Recombinant Human CCL3L1/LD78 beta Summary

Product Specifications

Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to chemoattract 2-day cultured human monocytes. The ED50 for this effect is 1‑5 ng/mL. Measured by its ability to chemoattract BaF3 mouse pro‑B cells transfected with human CCR5. The ED50 for this effect is 0.1‑0.4 ng/mL.
Source
E. coli-derived human CCL3L1/MIP-1 alpha Isoform LD78 beta protein
Ala24-Ala93
Accession #
N-terminal Sequence
Analysis
Ala24
Predicted Molecular Mass
7.8 kDa

Product Datasheets

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509-MI (with carrier)

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509-MI/CF (carrier free)

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.

509-MI

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein.
Reconstitution Reconstitute at 100 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.

509-MI/CF

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA.
Reconstitution Reconstitute at 100 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.
Reconstitution Calculator

Reconstitution Calculator

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: CCL3L1/MIP-1 alpha Isoform LD78 beta

The macrophage inflammatory protein-1 alpha  (MIP-1 alpha )/CCL3 and-1 beta (MIP-1 beta )/CCL4 are highly homologous CC family chemokines that were originally co-purified from medium conditioned by an LPS-stimulated murine macrophage cell line. Mouse MIP-1 alpha and MIP-1 beta are encoded by their respective single-copy genes. In human, additional non-allelic MIP-1 alpha and MIP-1 beta genes also exist (1‑3).

The two human MIP-1 alpha genes arise by duplication/mutation. They code for MIP-1 alpha isoforms CCL3/LD78 alpha and CCL3L1/LD78 beta, which share 94% amino acid (aa) sequence homology. Whereas the human CCL3/LD78 alpha is a single-copy gene, the human CCL3L1/LD78 beta gene copy number varies within the population. Human CCL3L1/LD78 beta cDNA encodes a 93 aa residue precursor with a 23 aa residue signal peptide that is cleaved to generate a 70 aa mature protein. Human CCL3L1/LD78 beta binds and signals through chemokine receptors CCR1 and CCR5. When compared to CCL3/LD78 alpha, CCL3L1/LD78 beta has higher binding affinity to CCR5, which also functions as a coreceptor for HIV-1 entry. The copy number of CCL3L1 is one of several genetic determinants of HIV-1 susceptibility (4).

References
  1. Menten, P. et al. (2002) Cytokine Growth Factor Rev. 13:455.
  2. Nibbs, R.J. et al. (1999) J. Biol. Chem. 274:17478.
  3. Xin, X. et al. (1999) FEBS Lett. 457:219.
  4. Mackay, C.R. (2005) Trends in Molecular Medicine 11:203.
Entrez Gene IDs
414062 (Human)
Alternate Names
C-C motif chemokine 3-like 1; CCL3L1; chemokine (C-C motif) ligand 3-like 3,464.2; chemokine (C-C motif) ligand 3-like, centromeric; D17S1718; G0/G1 switch regulatory protein 19-2; G0S19-2; LD78 beta; LD78; LD78BETA; LD78-beta(1-70); MGC12815; MIP1 alpha Isoform LD78 beta; PAT 464.2; SCYA3L; SCYA3L1; small inducible cytokine A3-like 1; Small-inducible cytokine A3-like 1; Tonsillar lymphocyte LD78 beta protein

Citations for Recombinant Human CCL3L1/LD78 beta

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.

3 Citations: Showing 1 - 3
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  1. A novel SARS-CoV-2 Beta RBD DNA vaccine directly targeted to antigen-presenting cells induces strong humoral and T cell responses
    Authors: Kuczkowska, K;Bjerkan, L;Stubsrud, E;Husbyn, HC;Chellappa, S;Hauge, A;Skarshaug, R;Torgersen, ML;Heim, JB;Jørgensen, MJ;Wold, CW;Schleimann, MH;Tolstrup, M;Granum, S;Fredriksen, AB;Pedersen, MW;Norheim, G;
    Scientific reports
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Widespread potential for growth-factor-driven resistance to anticancer kinase inhibitors.
    Authors: Wilson TR, Fridlyand J, Yan Y, Penuel E, Burton L, Chan E, Peng J, Lin E, Wang Y, Sosman J, Ribas A, Li J, Moffat J, Sutherlin DP, Koeppen H, Merchant M, Neve R, Settleman J
    Nature, 2012-07-26;487(7408):505-9.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Regulation of D6 chemokine scavenging activity by ligand- and Rab11-dependent surface up-regulation.
    Authors: Bonecchi R, Borroni EM, Anselmo A, Doni A, Savino B, Mirolo M, Fabbri M, Jala VR, Haribabu B, Mantovani A, Locati M
    Blood, 2008-05-14;112(3):493-503.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay

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