ArticleJournal of chemical information and modeling2025
Proton Transfer through a Charged Conduit in Respiratory Complex I: Long-Range Effects and Conformational Gating.
Article in Journal of chemical information and modeling, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Mitochondrial complex I as a master regulator of redox signaling: From structural architecture to directionality of electron transport.Free radical biology & medicine · 2026Review
- A carboxylate switch point controls long-range energy transduction in respiratory Complex I.Nature communications · 2026Article
- Insights into the role of internal catalysts in asparagine-to-succinimide conversion in a hyperthermophilic glutamine amidotransferase.The Journal of biological chemistry · 2026Article
- Hydration-Controlled Proton Transport in Respiratory Complex I.Journal of the American Chemical Society · 2026Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Energy coupling processes in respiratory complex I, a large redox-driven proton pump in the inner mitochondrial membrane, remain one of the most enigmatic problems in modern bioenergetics. Recent high-resolution cryo-EM structures of complex I revealed extensive hydration in the interior of the protein, including the buried E channel, which is an acidic charged conduit that bridges the quinone binding cavity with the extended membrane domain of the enzyme. Despite the general agreement that E channel participates in proton transfer, the absence of proton density in the cryo-EM maps poses a significant challenge to develop viable models of proton pumping. By adhering to the hypothesis that E channel catalyzes transfer of proton(s) from the quinone binding cavity to the membrane-bound proton pumping site(s), we performed hybrid quantum mechanics/molecular mechanics (QM/MM) molecular dynamics (MD) simulations using the ∼2.4 Å cryo-EM structure of mitochondrial complex I from
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.