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重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24蛋白

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  • 产品名称:重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24蛋白
  • 产品型号:rRtEotaxin-2/CCL24
  • 产品展商:KALANG
  • 产品文档:无相关文档
  • 发布时间:2018-09-13
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简单介绍
重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24蛋白与其它公司提供的重组蛋白不同,rRtEotaxin-2/CCL24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.重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24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

重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24蛋白

Synonyms CK-beta-6, MPIF-2, Small-inducible Cytokine A24
Species Rat
Source Escherichia coli.
Molecular Weight Approximately 10.5 kDa, a single non-glycosylated polypeptide chain consisting of an N-terminal Methionine and the mature rat Eotaxin-2.
Quantity 5µg/20µg/1000µg
AA Sequence 重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24蛋白MPTGSVTIPS SCCVTFISKK IPVNRVISYQ LANGSICPKA GVIFITKKGH KICTDPKLPW VQKHIKNLDA KRNQPSEGAK ALGPKFVIQK LRGNSTKV
Purity > 96 % by SDS-PAGE and HPLC analyses.
Biological Activity Fully biologically active when compared to standard. The biologically active determined by a chemotaxis bioassay using human peripheral blood eosinophils is in a concentration of 50-250 ng/ml.
Physical Appearance 重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24蛋白Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 µm filtered concentrated solution in 2 × PBS, pH 7.4.
Endotoxin Less than 1 EU/µg of rRtEotaxin-2/CCL24 as determined by LAL method.
Reconstitution 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 重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24蛋白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.
重组大鼠嗜酸性粒细胞趋化因子-2 / CCL24蛋白
SDS-PAGE
Reference 1. Owczarek W, Paplinska M, Targowski T, et al. 2010. Cytokine, 50: 181-5.
2. Ben-Yehuda C, Bader R, Puxeddu I, et al. 2008. Exp Lung Res, 34: 467-79.
3. Schaefer D, Meyer JE, Pods R, et al. 2006. Int Arch Allergy Immunol, 140: 205-14.
Background CCL24, also named MPIF-2, Eotaxin-2 and Ckβ6, is a novel CC chemokine recently identified. It is a secreted protein, encoded by CCL24 gene, and produced by activated monocytes and T lymphocytes. CCL24 signals through the CCR3 receptor and has functions of chemotactic activity for resting T-lymphocytes and eosinophils, but none for monocytes and activated lymphocytes. The plasma levels of CCL24 and the aspirin-exacerbated respiratory disease (such as asthma) morbidity rate have positive correlation.

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