Static and kinetic site-specific protein-DNA photocrosslinking: analysis of bacterial transcription initiation complexes.
Static and kinetic site-specific protein-DNA photocrosslinking: analysis of bacterial transcription initiation complexes.
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DOI:
10.1007/978-1-60327-015-1_25
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发表时间:
2009
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Static site-specific protein-DNA photocrosslinking permits identification of protein-DNA interactions within multiprotein-DNA complexes. Kinetic site-specific protein-DNA photocrosslinking--involving rapid-quench-flow mixing and pulsed-laser irradiation--permits elucidation of pathways and kinetics of formation of protein-DNA interactions within multiprotein-DNA complexes. We present detailed protocols for application of static and kinetic site-specific protein-DNA photocrosslinking to bacterial transcription initiation complexes.