Pentameric ligand-gated ion channels exhibit distinct transmembrane domain archetypes for folding/expression and function.

Abstract excerpt

Although transmembrane helix-helix interactions must be strong enough to drive folding, they must still permit the inter-helix movements associated with conformational change. Interactions between the outermost M4 and adjacent M1 and M3 α-helices of pentameric ligand-gated ion channels have been implicated in folding and function. Here, we evaluate the role of different physical interactions at this interface in...

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