ArticleNature communications2016
In situ high-resolution structure of the baseplate antenna complex in Chlorobaculum tepidum.
Article in Nature communications, 2016. 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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10 citing papers in PubMed, 46 citations in OpenAlex.
- Role of Small Membrane Proteins in the Green Sulfur Bacterial Reaction Center.ACS physical chemistry Au · 2026Article
- Self-assembled π-conjugated chromophores: preparation of one- and two-dimensional nanostructures and their use in photocatalysis.Nanoscale · 2024Review
- Time-resolved circular dichroism of excitonic systems: theory and experiment on an exemplary squaraine polymer.Chemical science · 2023Article
- Living on the edge: light-harvesting efficiency and photoprotection in the core of green sulfur bacteria.Physical chemistry chemical physics : PCCP · 2023Article
- Cryo-EM structure of the whole photosynthetic reaction center apparatus from the green sulfur bacteriumProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Editorial.Photosynthetica · 2023Article
- Review
- POTENCI: prediction of temperature, neighbor and pH-corrected chemical shifts for intrinsically disordered proteins.Journal of biomolecular NMR · 2018Article
- Two-dimensional electronic spectra of the photosynthetic apparatus of green sulfur bacteria.Scientific reports · 2017Article
- A Hybrid Solid-State NMR and Electron Microscopy Structure-Determination Protocol for Engineering Advanced para-Crystalline Optical Materials.Chemistry (Weinheim an der Bergstrasse, Germany) · 2017Article
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Authors and funding
14 authors at 7 institutions in 4 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Photosynthetic antenna systems enable organisms harvesting light and transfer the energy to the photosynthetic reaction centre, where the conversion to chemical energy takes place. One of the most complex antenna systems, the chlorosome, found in the photosynthetic green sulfur bacterium Chlorobaculum (Cba.) tepidum contains a baseplate, which is a scaffolding super-structure, formed by the protein CsmA and bacteriochlorophyll a. Here we present the first high-resolution structure of the CsmA baseplate using intact fully functional, light-harvesting organelles from Cba. tepidum, following a hybrid approach combining five complementary methods: solid-state NMR spectroscopy, cryo-electron microscopy, isotropic and anisotropic circular dichroism and linear dichroism. The structure calculation was facilitated through development of new software, GASyCS for efficient geometry optimization of highly symmetric oligomeric structures. We show that the baseplate is composed of rods of repeated dimers of the strongly amphipathic CsmA with pigments sandwiched within the dimer at the hydrophobic side of the helix.
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