Article
Mapping bidirectional allosteric communication in Arf GTPases.
Biophysical journal - 17 Mar 2026
Peters Edgar V, Koduru Tejaswi, McCallum Scott A, Yee Estella F, Cherfils Jacqueline, Royer Catherine A
Abstract excerpt
The Arf GTPases are eukaryotic signaling proteins implicated in trafficking, motility, and membrane remodeling. They must undergo a massive conformational transition in the switch between their inactive, GDP-bound form and their GTP-bound form, competent for downstream signaling. The mechanism of their GDP-to-GTP nucleotide switch implicates a functional molten globule (MG) ensemble. Access to this ensemble and...
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