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Putting the β-breaks on membrane protein misfolding

Proline in transmembrane helical segments is thought to play specific roles in membrane protein structure and function. Yet one of its primary contributions may occur even before the segment enters the membrane.

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Figure 1: Properties of a proline residue in the context of an α-helix.
Figure 2: Possible roles of proline in transmembrane helical segments of membrane proteins.

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Acknowledgements

C.M.D. is supported by grants from the Canadian Institutes of Health Research (CIHR) and the Canadian Cystic Fibrosis Foundation (CCFF). A.G.T. holds a CIHR postdoctoral fellowship.

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Correspondence to Charles M. Deber.

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Deber, C., Therien, A. Putting the β-breaks on membrane protein misfolding. Nat Struct Mol Biol 9, 318–319 (2002). https://doi.org/10.1038/nsb0502-318

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