Abstract
The cGMP-dependent protein kinases (cGK), which belong to the family of serine/threonine kinases, exhibit their diverse functions in cells through interaction with a variety of substrate proteins. Several substrates were identified and the interactions studied using different methods inter alia co-immunoprecipitation (Co-IP) and cGMP-agarose affinity purification. In the following chapter, we will describe the preparation of cell or tissue lysates, the procedures of cGMP-agarose affinity purification and co-immunoprecipitation, and finally the separation and analysis of the protein complexes by SDS-PAGE or mass spectrometry.
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Acknowledgments
This work was supported by the German Research Council (DFG) and the collaborative research center SFB699.
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Salb, K., Schlossmann, J. (2013). Methods for Identification of cGKI Substrates. In: Krieg, T., Lukowski, R. (eds) Guanylate Cyclase and Cyclic GMP. Methods in Molecular Biology, vol 1020. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-459-3_9
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DOI: https://doi.org/10.1007/978-1-62703-459-3_9
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