ArticleeLife2021
Nanoscopic anatomy of dynamic multi-protein complexes at membranes resolved by graphene-induced energy transfer.
Article in eLife, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 27 citations in OpenAlex.
- Conformational Flexibility of Transmembrane Helices: How it Works and Where it Matters.Chemical reviews · 2026Review
- 2D Titanium Carbide MXene and Single-Molecule Fluorescence: Distance-Dependent Nonradiative Energy Transfer and Leaflet-Resolved Dye Sensing in Lipid Bilayers.Advanced materials (Deerfield Beach, Fla.) · 2024Article
- Structure of the endosomal CORVET tethering complex.Nature communications · 2024Article
- Metal-Induced Energy Transfer (MIET) for Live-Cell Imaging with Fluorescent Proteins.ACS nano · 2023Article
- Combining pMINFLUX, graphene energy transfer and DNA-PAINT for nanometer precise 3D super-resolution microscopy.Light, science & applications · 2023Article
- Article
- Electrically controlling and optically observing the membrane potential of supported lipid bilayers.Biophysical journal · 2022Article
- Structure of the Mon1-Ccz1 complex reveals molecular basis of membrane binding for Rab7 activation.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Super-resolution imaging: when biophysics meets nanophotonics.Nanophotonics (Berlin, Germany) · 2022Review
- Phosphatidylinositol and phosphatidylinositol-3-phosphate activate HOPS to catalyze SNARE assembly, allowing small headgroup lipids to support the terminal steps of membrane fusion.Molecular biology of the cell · 2021Article
Corrections and comments
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Authors and funding
12 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Insights into the conformational organization and dynamics of proteins complexes at membranes is essential for our mechanistic understanding of numerous key biological processes. Here, we introduce graphene-induced energy transfer (GIET) to probe axial orientation of arrested macromolecules at lipid monolayers. Based on a calibrated distance-dependent efficiency within a dynamic range of 25 nm, we analyzed the conformational organization of proteins and complexes involved in tethering and fusion at the lysosome-like yeast vacuole. We observed that the membrane-anchored Rab7-like GTPase Ypt7 shows conformational reorganization upon interactions with effector proteins. Ensemble and time-resolved single-molecule GIET experiments revealed that the HOPS tethering complex, when recruited via Ypt7 to membranes, is dynamically alternating between a 'closed' and an 'open' conformation, with the latter possibly interacting with incoming vesicles. Our work highlights GIET as a unique spectroscopic ruler to reveal the axial orientation and dynamics of macromolecular complexes at biological membranes with sub-nanometer resolution.
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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 OpenQuestion graph.