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Rotamers affect ion conductance

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A major determinant of the ion flux rate through acetylcholine receptors is a ring of five residues, four glutamates and a glutamine, at the channel's cytoplasmic mouth. The glutamates adopt alternate rotamer conformations so that only two directly affect channel conductance.

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Figure 1: Cys-loop receptor channel structure illustrated using the GluCl channel structure.

References

  1. Changeux, J.P. Annu. Rev. Pharmacol. Toxicol. 50, 1–38 (2010).

    Article  CAS  Google Scholar 

  2. Karlin, A. Nat. Rev. Neurosci. 3, 102–114 (2002).

    Article  CAS  Google Scholar 

  3. Bocquet, N. et al. Nature 457, 111–114 (2009).

    Article  CAS  Google Scholar 

  4. Hilf, R.J. & Dutzler, R. Nature 457, 115–118 (2009).

    Article  CAS  Google Scholar 

  5. Hibbs, R.E. & Gouaux, E. Nature 474, 54–60 (2011).

    Article  CAS  Google Scholar 

  6. Akabas, M.H., Kaufmann, C., Archdeacon, P. & Karlin, A. Neuron 13, 919–927 (1994).

    Article  CAS  Google Scholar 

  7. Imoto, K. et al. Nature 335, 645–648 (1988).

    Article  CAS  Google Scholar 

  8. Cymes, G.D. & Grosman, C. Nat. Chem. Biol. 8, 975–981 (2012).

    Article  CAS  Google Scholar 

  9. Goren, E.N., Reeves, D.C. & Akabas, M.H. J. Biol. Chem. 279, 11198–11205 (2004).

    Article  CAS  Google Scholar 

  10. Kelley, S.P., Dunlop, J.I., Kirkness, E.F., Lambert, J.J. & Peters, J.A. Nature 424, 321–324 (2003).

    Article  CAS  Google Scholar 

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Correspondence to Myles H Akabas.

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Akabas, M. Rotamers affect ion conductance. Nat Chem Biol 8, 953–954 (2012). https://doi.org/10.1038/nchembio.1115

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  • DOI: https://doi.org/10.1038/nchembio.1115

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