Recombinant E. coli GrpE protein (ab63839)

概述

描述

  • 性质Recombinant
  • 来源Escherichia coli
  • 氨基酸序列
    • 种属Escherichia coli
    • 序列MSSKEQKTPE GQAPEEIIMD QHEEIEAVEP EASAEQVDPR DEKIANLEAQ LAEAQTRERD GILRVKAEME NLRRRTELDI EKAHKFALEK FINELLPVID SLDRALEVAD KANPDMSAMV EGIELTLKSM LDVVRKFGVE VIAETNVPLD PNVHQAIAMV ESDDVAPGNV LGIMQKGYTL NGRTIRAAMV TVAKAKA

技术指标

Our Abpromise guarantee covers the use of ab63839 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • 应用

    SDS-PAGE

  • 纯度> 90 % SDS-PAGE.
    ab63839 was overexpressed in E.coli and purified by using the conventional column chromatography techniques.
  • 形式Liquid
  • Concentration information loading...

制备和贮存

  • 稳定性和存储

    Shipped at 4°C. Upon delivery aliquot and store at -20°C. Avoid freeze / thaw cycles.

    Preservative: None
    Constituents: 20mM Tris, 100mM Sodium chloride, pH 8.0

常规信息

  • 别名
    • Heat shock protein B25.3
    • HSP 70 cofactor
    • HSP24
  • 相关性GrpE is a so-called co-chaperone because it is known to assist the DnaK (Hsp70) protein to effectively carry out DnaK-dependent chaperone activity (i.e. protein folding, protein transport, disaggregation of heat inactivated proteins, activation of mutant protein). GrpE acts as a nucleotide exchange factor for DnaK, the main Hsp70 protein in bacteria, accelerating ADP/ATP exchange by several orders of magnitude. Unfolded proteins bind initially to dnaJ; upon interaction with the dnaJ-bound protein, dnaK hydrolyzes its bound ATP, resulting in the formation of a stable complex. GrpE releases ADP from dnaK; ATP binding to dnaK triggers the release of the substrate protein, thus completing the reaction cycle. GrpE may also function as a thermosensor. GrpE is a homodimer, each subunit containing three structural domains: a N-terminal unordered segment, two long coils and a C-terminal globular domain formed by a four-helix bundle, and a beta-subdomain.
  • 细胞定位Cytoplasmic

Recombinant E. coli GrpE protein 图像

  • 3µg protein in 15% SDS-PAGE.

Recombinant E. coli GrpE protein (ab63839)参考文献

ab63839 has not yet been referenced specifically in any publications.

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