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Vicugna pacos IL-21 Recombinant Protein (C-Strep) (ZV658011)

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Overview
Catalog No.ZV658011
Description
Recombinant Vicugna pacos IL21 Protein, C-Strep (ZV658011) expressed in Mammalian Cells. Purity: >90% as determined by SDS-PAGE..
Highlights
  • ●High Purity — >90% as determined by SDS-PAGE.
Expression systemMammalian cells
AccessionXP_006217679.1
Protein lengthHis25-Ser153
ApplicationsELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
SpeciesVicugna pacos
Nature Recombinant
Endotoxin level <0.1 EU/ug as determined by LAL method.
Purity >90% as determined by SDS-PAGE.
Predicted molecular weight 18.17 kDa
Form Lyophilized
Storage buffer Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.

Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.

Reconstitution Reconstitute in sterile water for a stock solution. A copy of datasheet will be provided with the products, please refer to it for details.
Shipping In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stability and Storage Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Background

Interleukin-21 (IL-21,Interleukin-21,IL21,Za11) is a ~18 kDa protein. Cytokine with immunoregulatory activity. May promote the transition between innate and adaptive immunity. Induces the production of IgG(1) and IgG(3) in B-cells. Implicated in the generation and maintenance of T follicular helper (Tfh) cells and the formation of germinal-centers. Together with IL6, control the early generation of Tfh cells and are critical for an effective antibody response to acute viral infection.

1. Parrish-Novak, J. et al. (2000) Nature 408, 57-63. PMID: 11081504
2. Strengell, M. et al. (2004) Journal of leukocyte biology 76, 416-22. PMID: 15178704
Note For research use only
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References
Formula
Mass (g) = Concentration (mol/L) × Volume (L) × MW (g/mol)
Enter any 2 of Mass, Concentration, Volume + Molecular Weight to solve for the unknown.
Mass
=
Concentration
×
Volume
Molecular Weight *
g/mol
Formula
C₁ × V₁ = C₂ × V₂
Enter any 3 of the 4 values to solve for the unknown.
Stock Solution
C₁ (Stock Conc.)
×
V₁ (Stock Vol.)
=
Working Solution
C₂ (Working Conc.)
×
V₂ (Working Vol.)
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