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重组人干扰素-β1b蛋白

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  • 产品名称:重组人干扰素-β1b蛋白
  • 产品型号:rHuIFN-β1b
  • 产品展商:KALANG
  • 产品文档:无相关文档
  • 发布时间:2018-08-29
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简单介绍
重组人干扰素-β1b蛋白与其它公司提供的重组蛋白不同,rHuIFN-β1b蛋白产品为采用CFS的无细胞麦胚蛋白合成系统表达出来的重组蛋白,可表达出对细胞有毒性、易被蛋白酶降解的蛋白;并获得具有良好的可溶性,并有翻译后修饰、从而部分具有功能的蛋白.同时独有的全自动蛋白纯化技术则简便高效,将蛋白纯化过程中对蛋白的损伤降低到*小程度.重组人干扰素-β1b蛋白(全长序列)产品可用于Western Blot验证、抗体制备、蛋白检测、ELISA等试验中.
产品描述

重组人干扰素-β1b蛋白

Species Human
Accession P01574
GeneID 3456
Source Escherichia coli.
Molecular Weight 重组人干扰素-β1b蛋白Approximately 20.0 kDa, a single non-glycosylated polypeptide chain containing 166 amino acids.
Quantity 2µg/10µg/1000µg
AA Sequence MSYNLLGFLQ RSSNFQCQKL LWQLNGRLEY CLKDRMNFDI PEEIKQLQQF QKEDAALTIY EMLQNIFAIF RQDSSSTGWN ETIVENLLAN VYHQINHLKT VLEEKLEKED FTRGKLMSSL HLKRYYGRIL HYLKAKEYSH CAWTIVRVEI LRNFYFINRL TGYLRN
Purity > 97 % by SDS-PAGE and HPLC analyses.
Biological Activity 重组人干扰素-β1b蛋白Fully biologically active when compared to standard. The specific activity determined by an anti-viral assay is no less than 3.0 × 107 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, containing 2 % HSA and 3 % mannitol.
Endotoxin Less than 1 EU/µg of rHuIFN-β1b as determined by LAL method.
Reconstitution 重组人干扰素-β1b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.
重组人干扰素-β1b蛋白
Reference 1. Yoshino A, Tashiro S, Ogino A, et al. 2011. Int J Oncol, 39: 529-42.
2. Farrell RA, Marta M, Gaeguta AJ, et al. 2012. Rheumatology (Oxford), 51: 590-9.
3. Breckpot K, Corthals J, Bonehill A, et al. 2005. J Leukoc Biol, 78: 898-908.
4. Oger J, Francis G, Chang P. 2005. J Neurol Sci, 237: 45-52.
5. Giorelli M, Livrea P, Trojano M. 2005. J Interferon Cytokine Res, 25: 395-406.
Background IFN-βs are proteins produced by many cell types including lymphocytes (NK cells, B-cells and T-cells), macrophages, fibroblasts, endothelial cells, osteoblasts and others. They have antiviral activity that it is mainly involved in innate immune response. The IFN-β family has 2 subtypes,which are IFN-β1 (IFNB1) and IFN-β3 (IFNB3) (a gene designated IFN-β2 is actually IL-6). IFN-β1 is used as a treatment for multiple sclerosis as it reduces the relapse rate.

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