Recombinant Viral EBV IL-10 Protein

Carrier Free

Catalog # Availability Size / Price Qty
915-VL-010/CF

With Carrier

Catalog # Availability Size / Price Qty
915-VL-010
R&D Systems Recombinant Proteins and Enzymes
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Product Details
Citations (3)
FAQs
Reviews

Recombinant Viral EBV IL-10 Protein Summary

Product Specifications

Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<1.0 EU per 1 μg of the protein by the LAL method.
Activity
Measured in a cell proliferation assay using MC/9‑2 mouse mast cells. Thompson-Snipes, L. et al. (1991) J. Exp. Med. 173:507. The ED50 for this effect is 3‑15 ng/mL.
Source
E. coli-derived viral IL-10 protein
Gln26-Arg170, with an N-terminal Met
Accession #
N-terminal Sequence
Analysis
Met
Structure / Form
Noncovalently-linked homodimer
Predicted Molecular Mass
17.2 kDa

Product Datasheets

915-VL (with carrier)

915-VL/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.

915-VL

Formulation Lyophilized from a 0.2 μm filtered solution in Tris and NaCl with BSA as a carrier protein.
Reconstitution Reconstitute at 10 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, -70 °C under sterile conditions after reconstitution.

915-VL/CF

Formulation Supplied as a 0.2 μm filtered solution in Tris and NaCl.
Shipping The product is shipped with dry ice or equivalent. 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, -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after opening.
  • 3 months, -20 to -70 °C under sterile conditions after opening.
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: IL-10

Interleukin 10 (IL-10) is a pleiotropic cytokine that plays an important role in regulating inflammatory and immune responses. It is a potent suppressant of proinflammatory cytokine production by monocytes/macrophages and neutrophils. It is also an inhibitor of macrophage and T cell effector functions. Homologs of mammalian IL-10 have been identified in the genome of several viruses, including Epstein-Barr virus (EBV), poxvirus Orf, baboon cytomegalovirus, and human and equine herpes virus. In the EBV genome, the BCRF1 open reading frame encodes the EBV IL-10 (vIL-10). The viral IL-10 precursor is a 170 amino acid residue (aa) protein with a putative 25 aa signal peptide that is cleaved to yield the 145 aa mature protein. The EBV IL-10 precursor shares approximately 78% and 65% amino acid sequence homology with human and mouse IL-10, respectively. Most of the deviations are localized to the signal peptide and the first 20 amino-terminal residues. Viral IL-10 is expressed during the late phase of the lytic cycle of EBV infection. Viral IL-10 is a partial agonist of mammalian IL-10 and shares many of their activities. It is likely that vIL-10 may have a role in host immune evasion.

References
  1. Moore, K.W. et al. (1993) Annu. Rev. Immunol. 11:165.
Long Name
Interleukin 10
Entrez Gene IDs
3586 (Human); 16153 (Mouse); 25325 (Rat); 397106 (Porcine); 403628 (Canine); 102133450 (Cynomolgus Monkey); 493683 (Feline); 100135553 (Guinea Pig); 2949786 (Viral)
Alternate Names
CSIF; CSIFMGC126450; Cytokine synthesis inhibitory factor; GVHDS; IL10; IL-10; IL10A; IL-10MGC126451; interleukin 10; interleukin-10; TGIF

Citations for Recombinant Viral EBV IL-10 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.

3 Citations: Showing 1 - 3
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  1. Common Variable Immunodeficiency patients with a phenotypic profile of immunosenescence present with thrombocytopenia
    Authors: J Stuchl?, V Kanderov , M Vlkov , I He?manov , L Sl mov , O Pel k, E Taraldsrud, D J¡lek, P Kr l¡c Kov, B Fevang, M Trkov , O Hru? k, E Fro?kov , A ?ediv , J Litzman, T Kalina
    Sci Rep, 2017;7(0):39710.
    Species: N/A
    Sample Types: N/A
    Applications: ELISA (Standard)
  2. Secretory expression of biologically active human Herpes virus interleukin-10 analogues in Escherichia coli via a modified Sec-dependent transporter construct.
    Authors: Forster S, Brandt M, Mottok D, Zschuttig A, Zimmermann K, Blattner F, Gunzer F, Pohlmann C
    BMC Biotechnol, 2013;13(0):82.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Human cytomegalovirus-encoded interleukin-10 homolog inhibits maturation of dendritic cells and alters their functionality.
    Authors: Chang WL, Baumgarth N, Yu D, Barry PA
    J. Virol., 2004;78(16):8720-31.
    Species: Virus
    Sample Types: Whole Cells
    Applications: Bioassay

FAQs

  1. Does viral IL-10 cross-react in bioassay?
    • In an MC9 bioassay, recombinant EBV IL-10 is 20 times less active than recombinant human IL-10.

View all Proteins and Enzyme FAQs

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