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GPCR SIGNALING

Strength in numbers—an arrestin interaction code

Activation signals from GPCRs, the largest receptor family, are transmitted to heterotrimeric G proteins and arrestins, and can be differentially modulated by GPCR phosphorylation. In a recent article, available data, including multiple arrestin structures, are analyzed to decipher common and state-specific conformational changes in arrestins and how these depend on patterns of receptor phosphorylation.

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Fig. 1: Pathways toward an unraveling of arrestin-GPCR interactions.

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Correspondence to Arthur Christopoulos.

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Draper-Joyce, C.J., Christopoulos, A. Strength in numbers—an arrestin interaction code. Nat Struct Mol Biol 25, 437–439 (2018). https://doi.org/10.1038/s41594-018-0077-x

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