Abstract
Biosensor-surface plasmon resonance (SPR) technology has emerged as a powerful label-free approach for the study of nucleic acid interactions in real time. The method provides simultaneous equilibrium and kinetic characterization for biomolecular interactions with low sample requirements and without the need for external probes. A detailed and practical guide for protein–DNA interaction analyses using biosensor-SPR methods is presented. Details of SPR technology and basic fundamentals are described with recommendations on the preparation of the SPR instrument, sensor chips and samples, experimental design, quantitative and qualitative data analyses and presentation. A specific example of the interaction of a transcription factor with DNA is provided with results evaluated by both kinetic and steady-state SPR methods.
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Acknowledgments
We gratefully thank the NIH (GM111749) and the NSF (MCB1411502) for the support for biosensor-SPR studies on DNA complexes, and the Georgia Research Alliance for funding of the Biacore instruments. We thank Carol Wilson for manuscript proofreading.
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Wang, S., Poon, G.M.K., Wilson, W.D. (2015). Quantitative Investigation of Protein–Nucleic Acid Interactions by Biosensor Surface Plasmon Resonance. In: Leblanc, B., Rodrigue, S. (eds) DNA-Protein Interactions. Methods in Molecular Biology, vol 1334. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-2877-4_20
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DOI: https://doi.org/10.1007/978-1-4939-2877-4_20
Publisher Name: Humana Press, New York, NY
Print ISBN: 978-1-4939-2876-7
Online ISBN: 978-1-4939-2877-4
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