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Book Chapter

Nanopore Enzymology to Study Protein Kinases and Their Inhibition by Small Molecules.


Harrington,  Leon
Schwille, Petra / Cellular and Molecular Biophysics, Max Planck Institute of Biochemistry, Max Planck Society;

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Harrington, L., Alexander, L. T., Knapp, S., & Bayley, H. (2021). Nanopore Enzymology to Study Protein Kinases and Their Inhibition by Small Molecules. In M. A. Fahie (Ed.), Nanopore Technology. Methods in Molecular Biology, vol 2186. (pp. 95-114). New York: Humana. doi:10.1007/978-1-0716-0806-7_8.

Cite as: https://hdl.handle.net/21.11116/0000-0007-7AE3-0
Nanopore enzymology is a powerful single-molecule technique for the label-free study of enzymes using engineered protein nanopore sensors. The technique has been applied to protein kinases, where it has enabled the full repertoire of kinase function to be observed, including: kinetics of substrate binding and dissociation, product binding and dissociation, nucleotide binding, and reversible phosphorylation. Further, minor modifications enable the screening of type I kinase inhibitors and the determination of inhibition constants in a facile and label-free manner. Here, we describe the design and production of suitably engineered protein nanopores and their use for the determination of key mechanistic parameters of kinases. We also provide procedures for the determination of inhibition constants of protein kinase inhibitors.