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An orphan glutamate channel points the way to the gates

How does the binding of agonist lead to a change in ion channel gating? Kohda and colleagues take advantage of the lurcher mutation to provide new insights into how binding of glutamate affects channel gating for AMPA, kainate and NMDA receptors.

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Figure 1: Schematic illustration of the agonist-binding site of ionotropic glutamate receptor subunits and strategical position of the lurcher mutation for transduction of agonist binding to channel gating.

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Krupp, J., Westbrook, G. An orphan glutamate channel points the way to the gates. Nat Neurosci 3, 301–302 (2000). https://doi.org/10.1038/73846

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