SPA 41kDa

产品英文名称：
Recombinant Staphyloco重组金黄色葡萄球菌蛋白-A 41kDaal Protein-A 41kDa

英文简称:
SPA 41kDa

中文名称:
重组金黄色葡萄球菌蛋白-A 41kDa

背景资料:
Protein A is a cell wall protein deriving from Staphylococcus aureus which exhibits unique binding properties for IgG from a variety of mammalian species and for some IgM and IgA as well. It binds with the Fc region of immunoglobulins through interaction with the heavy chain. It couples to a wide variety of reporter molecules including fluorescent dyes， enzyme markers， biotin， colloidal gold and radioactive iodine without a大肠杆菌中重组表达ecting the antibody binding site. Recombinant Protein A was developed to increase the specificity of the molecule for IgG and is widely used both in research and bioprocessing. The recombinant protein A is produced by expressing a modified protein A gene in E.coli. A specific purification process with strict quality control was taken to get the recombinant protein A with the purity of more than 98% ， no human IgG a大肠杆菌中重组表达inity step is used during validated fermentation and purification and devoid of bacterial contaminant found normally in native Protein A. （FrRecombinant Staphylococcal Protein A produced in E.Coli is a non-glycosylated， Polypeptide chain contaning the amino acid sequence of Staphylococcal Protein A IgG binding domains having a molecular mass of 41 kDa. The recombinant Protein A contains 6 IgG-binding regions of protein A. Cell wall binding region， albumin binding region and other non-specific binding regions that have been eliminated from the recombinant Protein-A to ensure the maximum specific IgG binding. Recombinant Staphylococcal Protein A is purified by proprietary chromatographic techniques. of Stap

产品描述:
Recombinant Staphylococcal Protein A produced in E.Coli is a non-glycosylated， Polypeptide chain contaning the amino acid sequence of Staphylococcal Protein A IgG binding domains having a molecular mass of 41 kDa. The recombinant Protein A contains 6 IgG-binding regions of protein A. Cell wall binding region， albumin binding region and other non-specific binding regions that have been eliminated from the recombinant Protein-A to ensure the maximum specific IgG binding. Recombinant Staphylococcal Protein A is purified by proprietary chromatographic techniques.
来源宿主:
大肠杆菌中重组表达

序列:


溶解建议:
Sterile Filtered White lyophilized （freeze-dried） powder. The protein was lyophilized from a concentrated （1mg/ml） solution containing no additives.

保存建议：
Protein-A should be stored at all times at 4℃.
其他简介：

  ProSpec是一家全球著名细胞因子蛋白及相关抗体生产和研发品牌。ProSpec的生产和研发工厂位于以色列，专注于蛋白（重组及合成）生产研发，其独有的细菌和哺乳动物表达和蛋白折叠技术使其能在17年内成长为国际一流的科研级蛋白供应商。目前ProSpec可以提供细胞因子，生长因子，激素，信号蛋白，病毒抗原等近800种重组蛋白和100多种抗体，是世界上提供蛋白品种最多的公司之一，领先的生产工艺和规模使其可以提供毫克到克级蛋白，价格优于同类公司。绝大部分产品是天然成熟型蛋白，而不含有标签蛋白。考虑到大部分研究者希望能更灵活地配制蛋白溶液，ProSpec-Tany绝大部分产品没有添加保护剂或盐，这就对工艺提出了更高的要求。同时，ProSpec-Tany绝大部分产品为冻干粉，因此易于运输和保存。
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