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  • 產(chǎn)品名稱:重組大鼠白細(xì)胞介素-22蛋白

  • 產(chǎn)品型號(hào):rRtIL-22
  • 產(chǎn)品廠商:KALANG
  • 產(chǎn)品文檔:
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重組大鼠白細(xì)胞介素-22蛋白與其它公司提供的重組蛋白不同,rRtIL-22蛋白產(chǎn)品為采用CFS的無(wú)細(xì)胞麥胚蛋白合成系統(tǒng)表達(dá)出來(lái)的重組蛋白,可表達(dá)出對(duì)細(xì)胞有毒性、易被蛋白酶降解的蛋白;并獲得具有良好的可溶性,并有翻譯后修飾、從而部分具有功能的蛋白.同時(shí)獨(dú)有的全自動(dòng)蛋白純化技術(shù)則簡(jiǎn)便高效,將蛋白純化過程中對(duì)蛋白的損傷降低到*小程度.重組大鼠白細(xì)胞介素-22蛋白(全長(zhǎng)序列)產(chǎn)品可用于Western Blot驗(yàn)證、抗體制備、蛋白檢測(cè)、ELISA等試驗(yàn)中.
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重組大鼠白細(xì)胞介素-22蛋白

Synonyms Cytokine Zcyto 18, TIF
Species Rat
Accession Q198B4
Unigene Rn.195879.
Source Escherichia coli.
Molecular Weight 重組大鼠白細(xì)胞介素-22蛋白Approximately16.6 kDa, a single non-glycosylated polypeptide chain containing 146 amino acids.
Quantity 2μg/10μg/1000μg
AA Sequence LPINSQCKLE AANFQQPYIV NRTFMLAKEA SLADNNTDVR LIGEELFRGV KAKDQCYLMK QVLNFTLEDV LLPQSDRFQP YMQEVVPFLT KLSIHLSPCH ISGDDQNIQK NVRQLKETVQ KLGESGEIKA IGELDLLFMS LRNACV
Purity > 97 % by SDS-PAGE and HPLC analyses.
Biological Activity 重組大鼠白細(xì)胞介素-22蛋白Fully biologically active when compared to standard. The ED50 as determined by inducing IL-10 secretion of human COLO 205 cells is less than 0.5 ng/ml, corresponding to a specific activity of > 2.0 × 106 IU/mg.
Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
Endotoxin Less than 1 EU/μg of rRtIL-22 as determined by LAL method.
Reconstitution 重組大鼠白細(xì)胞介素-22蛋白We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Storage This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
重組大鼠白細(xì)胞介素-22蛋白
SDS-PAGE
Reference 1. Zeng G, Chen CY, Huang D, et al. 2011. J Immunol, 187: 190-9.
2. Cocco CandAiroldi I. 2012. Immunotherapy, 4: 668.
3. Honda K. 2012. Immunity, 37: 952-4.
4. Gurney AL. 2004. Int Immunopharmacol, 4: 669-77.
Background IL-22 is belonging to IL-10 family of regulatory cytokines which includes IL-10, IL-19, IL-20, IL-22, IL-24 and IL-26. Members of this family share partial homology in their amino acid sequences, but they are dissimilar in their biological functions. Produced by T lymphocytes and dendritic cells, IL-10 contributes to the inflammatory response in vivo. IL-22 signals through CRF2-4 and IL-22. It along with IL-17 is rapidly produced by splenic LTi-like cells and can be also produced by Th17 cells and likely plays a role in the coordinated response of both adaptive and innate immune systems. Recombinant rat Interleukin-22 contains 146 amino acids and it has approximately 79 % and 92 % amino acid sequence identity with human and murine IL-22.

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