C-type inactivation is a process by which ion flux through a voltage-gated K+ channel is regulated at the selectivity filter. A recent structure of the Kv1.2 channel provides a view into the structural changes of the selectivity filter during C-type inactivation.
References
MacKinnon, R. Angew. Chem. Int. Edn. Engl. 43, 4265–4277 (2004).
Kurata, H.T. & Fedida, D. Prog. Biophys. Mol. Biol. 92, 185–208 (2006).
Hoshi, T. & Armstrong, C.M. J. Gen. Physiol. 141, 151–160 (2013).
Zhou, Y., Morais-Cabral, J.H., Kaufman, A. & MacKinnon, R. Nature 414, 43–48 (2001).
Long, S.B., Campbell, E.B. & Mackinnon, R. Science 309, 897–903 (2005).
Pau, V., Zhou, Y., Ramu, Y., Xu, Y & Lu, Z . Nat. Struct. Mol. Biol. 24, 857–865 (2017).
Long, S.B., Tao, X., Campbell, E.B. & MacKinnon, R. Nature 450, 376–382 (2007).
Kitaguchi, T., Sukhareva, M. & Swartz, K.J. J. Gen. Physiol. 124, 319–332 (2004).
Hoshi, T., Zagotta, W.N. & Aldrich, R.W. Science 250, 533–538 (1990).
López-Barneo, J., Hoshi, T., Heinemann, S.H. & Aldrich, R.W. Receptors Channels 1, 61–71 (1993).
Baukrowitz, T. & Yellen, G. Neuron 15, 951–960 (1995).
Matulef, K., Annen, A.W., Nix, J.C. & Valiyaveetil, F.I. Structure 24, 750–761 (2016).
Allen, T.W., Andersen, O.S. & Roux, B. J. Gen. Physiol. 124, 679–690 (2004).
Yellen, G., Sodickson, D., Chen, T.Y. & Jurman, M.E. Biophys. J. 66, 1068–1075 (1994).
Liu, Y., Jurman, M.E. & Yellen, G. Neuron 16, 859–867 (1996).
Raghuraman, H. et al. Structure 20, 1332–1342 (2012).
Cha, A. & Bezanilla, F. Neuron 19, 1127–1140 (1997).
Loots, E. & Isacoff, E.Y. J. Gen. Physiol. 112, 377–389 (1998).
Loots, E. & Isacoff, E.Y. J. Gen. Physiol. 116, 623–636 (2000).
Yang, Y., Yan, Y. & Sigworth, F.J. J. Gen. Physiol. 109, 779–789 (1997).
Harris, R.E., Larsson, H.P. & Isacoff, E.Y. Biophys. J. 74, 1808–1820 (1998).
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Research in my laboratory is supported by a grant from the NIH (GM087546).
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Valiyaveetil, F. A glimpse into the C-type-inactivated state for a Potassium Channel. Nat Struct Mol Biol 24, 787–788 (2017). https://doi.org/10.1038/nsmb.3480
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DOI: https://doi.org/10.1038/nsmb.3480
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