Human IL-22 Antagonist / E117A recombinant Protein

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+49 (0) 40 . 43 20 84 48 0


Product Overview, Sizes and Prices



Synonyms: IL-TIF, TIFa, IL-10-related T-cell-derived-inducible factor, IL-22, ILTIF, IL-D110, zcyto18, MGC79382, MGC79384, TIFIL-23.

Source: E. coli

Purity: ≥ 98 % as determined by:(a) Gel filtration chromatography under non-denaturing conditions.(b) Analysis by reducing and non-reducing SDS-PAGE Silver Stained gel.

Physical state: Lyophilized

Manufacturer:  Active Bioscience

Article No. Size Price  
1585.950.002 2 µg 90 €
1585.950.010 10 µg 175 €
1585.950.100 100 µg 1.095 €

Please inquire for other vial sizes and custom vialing.



Product Details


IL-TIF, TIFa, IL-10-related T-cell-derived-inducible factor, IL-22, ILTIF, IL-D110, zcyto18, MGC79382, MGC79384, TIFIL-23.


Description of Human IL-22 Antagonist / E117A

Interleukin-22 Antagonist Murine Recombinant produced in E. coli is a single, non-glycosylated homodimeric polypeptide chain containing 147 amino acids and having a total molecular mass of 16.7 KDa.


Biological Activity

IL-22 E117A mutant is capable of full inhibition of STAT3 phosphorylation induced by mouse interleukin 22 in HepG cells. Its affinity toward immobilized mIL-22 receptor a1 extracellular domain (mIL-22 Ra1-ECD) or IL-22 binding protein is similar to the non-mutated mouse interleukin 22. Mouse IL-22 antagonist (E117A) has very low agonistic activity in this bioassay.



We recommend a quick spin followed by reconstitution in sterile water to a concentration of at least 100 µg/ml, which can then be further diluted to other aqueous solutions. Do not vortex.



Lyophilized Interleukin-22 Mouse Antagonist although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL22 Antagonist should be stored at 4°C between 2-7 days and for future use below -18°C. Please avoid repeated freeze-thaw cycles.


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Amino Acid Sequence

The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Leu-Pro-Val-Asn.


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