AdipoGen Life Sciences

Fc (LALA-PG)-KIH (human):IL-1Ra (mouse) (monomeric) (rec.)

Product Code:
 
AG-40B-0254
Product Group:
 
Recombinant Proteins
Host Type:
 
HEK 293 cells
Regulatory Status:
 
RUO
Shipping:
 
BI
Storage:
 
Short term: +4°C. Long term: -20°C.
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Protein structure
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Protein structure

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AG-40B-0254-C05050 ug£380.00
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Further Information

Accession Number:
PP25085
Biological Activity:
It inhibits the binding of IL-1α and IL-1β to the receptor IL-1R. The Fc contains the mutations LALA-PG that abolish the interaction between the Fc and Fc?Rs and therefore Fc undesirable effects.
Concentration:
1mg/ml after reconstitution.
Crossreactivity:
Mouse
Endotoxin Content:
<0.005 EU/ug purified protein (LAL test).
Formulation:
Lyophilized. Contains PBS
Handling Advice:
After reconstitution, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles. Centrifuge lyophilized vial before opening and reconstitution. PBS containing at least 0.1% BSA should be used for further dilutions.
Molecular Weight:
~50kDa and 30 kDa (SDS-PAGE)
Purity:
>95% (SDS-PAGE)
Reconstitution:
Reconstitute with 50ul endotoxin-free water.
Sequence:
The extracellular domain of mouse IL-1Ra (aa 27-178) is fused to the C-terminus of the Fc (LALA-PG) Knob region of human IgG1. Fc (LALA-PG) Knobs:IL-1Ra (mouse) and Fc (LALA-PG) Holes form the Fc (LALA-PG)-KIH (human):IL-1Ra (mouse) (rec.)?using the Knobs-into-Holes technology (see reference: J.B. Ridgway, et al.; Protein Eng.?9,?617 (1996)).
Source/Host:
HEK 293 cells. Produced using animal component-free medium.
Specificity:
Binds to mouse IL-1R1.?Fc (LALA-PG)-KIH (human) does not bind to FcRs.
Synonyms:
Fc (LALA-PG)-KIH:Interleukin-1 Receptor Antagonist (mouse); IL-1Ra; Interleukin-1R Antagonist
Use/Stability:
Stable for at least 6 months after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C.

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