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  • 產品名稱:重組大鼠白細胞介素-1受體拮抗劑蛋白蛋白

  • 產品型號:rRtIL-1RA
  • 產品廠商:KALANG
  • 產品文檔:
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重組大鼠白細胞介素-1受體拮抗劑蛋白蛋白與其它公司提供的重組蛋白不同,rRtIL-1RA蛋白產品為采用CFS的無細胞麥胚蛋白合成系統表達出來的重組蛋白,可表達出對細胞有毒性、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.同時獨有的全自動蛋白純化技術則簡便高效,將蛋白純化過程中對蛋白的損傷降低到*小程度.重組大鼠白細胞介素-1受體拮抗劑蛋白蛋白(全長序列)產品可用于Western Blot驗證、抗體制備、蛋白檢測、ELISA等試驗中.
詳情介紹:

重組大鼠白細胞介素-1受體拮抗劑蛋白蛋白

Synonyms IL-1RN, IRAP, IL1 Inhibitor
Species Rat
Accession P25086
GeneID 60582
Source Escherichia coli.
Molecular Weight 重組大鼠白細胞介素-1受體拮抗劑蛋白蛋白Approximately 17.4 kDa, a single non-glycosylated polypeptide chain containing 152 amino acids.
Quantity 20μg/100μg/1000μg
AA Sequence HPAGKRPCKM QAFRIWDTNQ KTFYLRNNQL IAGYLQGPNT KLEEKIDMVP IDFRNVFLGI HGGKLCLSCV KSGDDTKLQL EEVNITDLNK NKEEDKRFTF IRSETGPTTS FESLACPGWF LCTTLEADHP VSLTNTPKEP CTVTKFYFQE DQ
Purity > 96 % by SDS-PAGE and HPLC analyses.
Biological Activity 重組大鼠白細胞介素-1受體拮抗劑蛋白蛋白Fully biologically active when compared to standard. The ED50 as determined by inhibiting IL-1α-dependent proliferation of murine D10S cells is less than 150 ng/ml, corresponding to a specific activity of > 6.7 × 103 IU/mg in the presence of 50 pg/ml rRtIL-1α.
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-1RA as determined by LAL method.
Reconstitution 重組大鼠白細胞介素-1受體拮抗劑蛋白蛋白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.
重組大鼠白細胞介素-1受體拮抗劑蛋白蛋白
SDS-PAGE
Reference 1. Dinarello CA. 1994. FASEB J. 8:1314-25.
2. Patterson D, Jones C, Hart I, et al. 1993. Genomics. 15:173-6.
3. Steinkasserer A, Spurr NK, Cox S, et al. 1992. Genomics. 13:654-7.
4. Perrier S, Darakhshan F, Hajduch E. 2006. FEBS Lett. 580:6289-94.
5. Gabay C, Porter B, Fantuzzi G, et al. 1997. J Immunol. 159:5905-13.
Background IL-1RA was initially called the IL-1 inhibitor which is encoded by the IL1RN gene and it is a member of the interleukin 1 cytokine family. IL-1RA is secreted by various types of cells including immune cells, epithelial cells, and adipocytes. IL-RA has functions of inhibiting the activity of interleukin-1 by binding to receptor IL1R1 and preventing its association with the coreceptor IL1RAP for signaling. IL-1RA is also used in the treatment of rheumatoid arthritis, an autoimmune disease in which IL-1 plays a key role. The rat IL-1RA is a single non-glycosylated polypeptide chain containing 152 amino acids and it has been shown to block the inflammatory responses induced by IL-1 both in vitro and in vivo. Rat IL-1RA shares 89% and 73% a.a. sequence homology with murine and human IL-1RA.

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