IKP

RecA (protein, positive control)

Product no: AS21 4542P
AS21 4542PProtein/positive control for Western blot
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Delivery:  3-6 business days
  • Product Info
  • Purity: Contains 50% glycerol, 20 mM Tris-HCl (pH 8), 1 mM EDTA, 150 mM KCl, 1 mM DTT. Over 90 % pure, by SDS-PAGE
    Format: Liquid
    Quantity: 100 g
    Storage: Store at -20C or -80C for a longer period of time; once make aliquots to avoid repeated freeze-thaw cycles. Please remember to spin the tubes briefly prior to opening them to avoid any losses that might occur from material adhering to the cap or sides of the tube.
    Tested applications: Western blot (WB)
    Expected | apparent MW: 38 kDa
  • Application Examples
  • E.coli RecA protein, positive control for Western blot

    5 and 2 µg of highly purified RecA protein from Escherichia coli was separated on SDS-PAGE and stained by Coomasie.
  • Additional Information
  • Additional information: RecA (protein, positive control)
    Additional information (application): RecA protein is full length, highly purified (over 90 %, SDS-PAGE) by several steps of chromatography. Provided at a concentration of 1 mg/ml estimated by BCA method. UniProt: P0A7G6
  • Background
  • Background: E. coli RecA protein is a very important enzyme for homologous recombination and recombinational repair. Its synthesis is induced by SOS response caused by DNA damage. RecA protein has multiple functions such as single stranded DNA dependent ATPase activity, DNA annealing activity, formation of D-loop and Holliday structure in homologous recombination reaction, and coprotease activities that promote self-cleavages of LexA repressor, lambda phage repressor and UmuD protein. RecA protein binds to single and double stranded DNA for nucleofilament formation. It carries out a central role in homologous recombination.
  • Product Citations
  • Selected references: Ishibashi, Oura S & Umemura (2017) Adsorption of DNA binding proteins to functionalized carbon nanotube surfaces with and without DNA wrapping. Eur Biophys J. 2017 Sep;46(6):541-547. doi: 10.1007/s00249-017-1200-3. Epub 2017 Feb 15. PMID: 28204854.
    Oura et al. (2015) Biomolecular recognition ability of RecA proteins for DNA on single-walled carbon nanotubes. Colloids Surf B Biointerfaces. 2015 Feb 1;126:496-501. doi: 10.1016/j.colsurfb.2015.01.002. Epub 2015 Jan 10. PMID: 25612818.
  • Protocols
  • Agrisera Western Blot protocol and video tutorials
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