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NEB/EpiMark? Nucleosome Assembly Kit/20 reactions/E5350S
  • NEB/EpiMark? Nucleosome Assembly Kit/20 reactions/E5350S

NEB/EpiMark? Nucleosome Assembly Kit/20 reactions/E5350S

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貨號(hào): E5350S
品牌: NEB
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    • The EpiMark® Nucleosome Assembly Kit is used to make unmodified recombinant human nucleosomes with user-supplied DNA or the provided control DNA. Purified recombinant human Histone H2A/H2B Dimer and Histone H3.1/H4 Tetramer are mixed with DNA at 2 M NaCl. To generate nucleosomes, the salt concentration is lowered by dilution or dialysis allowing each histone tetramer to associate with two histone dimers and form the histone octamer on the DNA (1,2). A method for assaying nucleosome formation by gel shift assay is included. These nucleosomes may serve as better substrates for enzymes that are inactive on the DNA or one of the core histones alone (3,4). Each reaction creates nucleosomes from ~1 µg of 208 bp DNA and may be scaled depending on the experiment.
      Nucleosome AssemblyNucleosome formation
      A gel shift assay allows visualization of complex formation when various ratios of Octamer* to DNA are used to form mononucleosomes using the provided nucleosome control DNA. When assembly reactions are run on 6% polyacrylamide gel in 0.5X TBE, a characteristic shift occurs from 208 bp to approximately 700 bp.
      • M: Low Molecular Weight DNA Ladder (NEB #N3233)
      • Lane 1: Nucleosome Control DNA
      • Lane 2: 0.5:1 ratio of Octamer* to DNA
      • Lane 3: 1:1 ratio of Octamer* to DNA.
      *Octamer = 2:1 mix of Histone H2A/H2B Dimer and Histone H3.1/H4 Tetramer.
      This product is related to the following categories:
      Histones Products,
      Methylome Analysis,
      Epigenetic Analysis,
      Next Generation Sequencing Library Preparation
      This product can be used in the following applications:
      Control DNA for Epigenetics,
      Histones & Nucleosome Assembly
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