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SPA 蛋白

This Recombinant SPA protein is expressed in .
产品编号 ABIN620966
发货至: 中国

Quick Overview for SPA 蛋白 (ABIN620966)

抗原

SPA (Immunoglobulin G Binding Protein A (SPA))

蛋白类型

Recombinant

宿主

  • 4
  • 1
  • 1
Staphylococcus aureus

宿主

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纯度

> 98.0 % as determined by RP-HPLC.
  • 产品特性

    Recombinant Staphylococcal Protein A
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  • 限制

    仅限研究用
  • 状态

    Liquid

    缓冲液

    The protein solution contains no additives.

    储存条件

    -20 °C
  • 抗原

    SPA (Immunoglobulin G Binding Protein A (SPA))

    别名

    Staphylococcal Protein A

    背景

    Recombinant Staphylococcal Protein A produced in E.Coli is a non-glycosylated, Polypeptide chain having a molecular mass of 45 kDa. Recombinant Staphylococcal Protein A is purified by proprietary chromatographic techniques. Introduction: 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 affecting 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 affinity step is used during validated fermentation and purification and devoid of bacterial contaminant found normally in native Protein A. (Free of Staphylococcus endotoxins and hemolysin). Synonyms: Immunoglobulin G-binding protein A, IgG-binding protein A, Staphylococcal protein A, SPA.
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