ArticleBiophysical journal2025
Selective detection of a key region in chemotaxis signaling protein complexes by solid-state NMR.
Article in Biophysical journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Understanding how large protein complexes function requires tools that can resolve both structure and dynamics in their native assembly states. Here, we apply solid-state nuclear magnetic resonance (SSNMR) to selectively detect rigid regions of a receptor protein fragment in the context of the >500-kDa chemoreceptor signaling complex found in chemotactic bacteria. These complexes assemble into hexagonal arrays that network multiple active units together. The cytoplasmic fragment of the E. coli aspartate chemoreceptor exhibits dynamics on multiple timescales across different regions of the protein, and these dynamics differ between signaling states. We apply
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