ArticleThe Biochemical journal2021
Structure of plant photosystem I-plastocyanin complex reveals strong hydrophobic interactions.
Article in The Biochemical journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Article
- Cryo-EM structure of Chlamydomonas reinhardtii Photosystem I complexed with cytochrome cNature communications · 2026Article
- Research progress on the structure of photosynthetic reaction centers-mobile electron carrier supercomplexes.Photosynthesis research · 2026Review
- Review
- Structure of Photosystem I-FCP from giant kelp uncovers drivers of antenna evolution across the red lineage.bioRxiv : the preprint server for biology · 2025Article
- Cyanobacterial redox carriers support photosynthesis in a purple phototrophic bacterium.The Biochemical journal · 2025Article
- Insights into plastocyanin-cytochrome b6f complex formation: The role of plastocyanin phosphorylation.Plant physiology · 2025Article
- Cryo-EM structure of the NDH-PSI-LHCI supercomplex from Spinacia oleracea.Nature structural & molecular biology · 2025Article
- Investigating the Balance between Structural Conservation and Functional Flexibility in Photosystem I.International journal of molecular sciences · 2024Review
- Flavodiiron-mediated ONature communications · 2023Article
- Structure of Photosystem I Supercomplex Isolated from aBiomolecules · 2023Article
- Structure of the Acidobacteria homodimeric reaction center bound with cytochrome c.Nature communications · 2022Article
- Algal photosystem I dimer and high-resolution model of PSI-plastocyanin complex.Nature plants · 2022Article
- Structure of cyanobacterial photosystem I complexed with ferredoxin at 1.97 Å resolution.Communications biology · 2022Article
- Dimeric and high-resolution structures of Chlamydomonas Photosystem I from a temperature-sensitive Photosystem II mutant.Communications biology · 2021Article
- Photosystem I Inhibition, Protection and Signalling: Knowns and Unknowns.Frontiers in plant science · 2021Review
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Photosystem I is defined as plastocyanin-ferredoxin oxidoreductase. Taking advantage of genetic engineering, kinetic analyses and cryo-EM, our data provide novel mechanistic insights into binding and electron transfer between PSI and Pc. Structural data at 2.74 Å resolution reveals strong hydrophobic interactions in the plant PSI-Pc ternary complex, leading to exclusion of water molecules from PsaA-PsaB/Pc interface once the PSI-Pc complex forms. Upon oxidation of Pc, a slight tilt of bound oxidized Pc allows water molecules to accommodate the space between Pc and PSI to drive Pc dissociation. Such a scenario is consistent with the six times larger dissociation constant of oxidized as compared with reduced Pc and mechanistically explains how this molecular machine optimized electron transfer for fast turnover.
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