Biochemistry

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    Protocols in Current Issue
    A Gel-Based Assay for Probing Protein Translocation on dsDNA
    Authors:  Christiane Brugger and Alexandra M. Deaconescu, date: 07/20/2021, view: 2039, Q&A: 0
    [Abstract]

    Protein translocation on DNA represents the key biochemical activity of ssDNA translocases (aka helicases) and dsDNA translocases such as chromatin remodelers. Translocation depends on DNA binding but is a distinct process as it typically involves multiple DNA binding states, which are usually dependent on nucleotide binding/hydrolysis and are

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    Combining Gel Retardation and Footprinting to Determine Protein-DNA Interactions of Specific and/or Less Stable Complexes
    Authors:  Meng-Lun Hsieh, Alice Boulanger, Leslie G. Knipling and Deborah M. Hinton, date: 12/05/2020, view: 1582, Q&A: 0
    [Abstract]

    DNA footprinting is a classic technique to investigate protein-DNA interactions. However, traditional footprinting protocols can be unsuccessful or difficult to interpret if the binding of the protein to the DNA is weak, the protein has a fast off-rate, or if several different protein-DNA complexes are formed. Our protocol differs from traditional

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    Random DNA Binding Selection Assay (RDSA)
    Authors:  Yafei Wang and Meizhong Luo, date: 04/20/2015, view: 8574, Q&A: 0
    [Abstract] Protein-DNA interaction is a very important cellular process, by which regulation of DNA biological function, usually gene expression, is exerted. The method of random DNA binding selection assay (RDSA) can be used to identify DNA elements bound by proteins with DNA-binding activities. This method is based on the enrichment of the target DNA ...
    Determination of Protein-DNA (ZMYND11-DNA) Interaction by a Label-Free Biolayer Interferometry Assay
    Authors:  Yuan-Yuan Li, Hong Wen, Xiao-Bing Shi and Hai-Tao Li, date: 02/20/2015, view: 11864, Q&A: 0
    [Abstract] This protocol describes a robust technique for the measurement of ZMYND11-DNA interaction by a label-free Biolayer Interferometry (BLI). ZMYND11 is a novel histone reader protein that specifically recognizes H3.3K36me3 via its tandem Bromodomain, zinc-finger and PWWP domain (BP). ZMYND11 links the histone-variant-mediated transcription elongation ...



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