ArticleThe journal of physical chemistry. B2012
Normal mode analysis of the spectral density of the Fenna-Matthews-Olson light-harvesting protein: how the protein dissipates the excess energy of excitons.
Article in The journal of physical chemistry. B, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed.
- Theoretical study on the influence of different exciton Hamiltonians on the excitation dynamic process of the PE555 complex.RSC advances · 2026Article
- Full microscopic simulations uncover persistent quantum effects in primary photosynthesis.Science advances · 2025Article
- Theoretical Study on the Excitation Energy Transfer Dynamics in the Phycoerythrin PE555 Light-Harvesting Complex.ACS omega · 2024Article
- Temporal witnesses of non-classicality in a macroscopic biological system.Scientific reports · 2024Article
- Coarse-Grained Approach to Simulate Signatures of Excitation Energy Transfer in Two-Dimensional Electronic Spectroscopy of Large Molecular Systems.Journal of chemical theory and computation · 2024Article
- Living on the edge: light-harvesting efficiency and photoprotection in the core of green sulfur bacteria.Physical chemistry chemical physics : PCCP · 2023Article
- Recent progress in atomistic modeling of light-harvesting complexes: a mini review.Photosynthesis research · 2023Review
- Towards a quantitative description of excitonic couplings in photosynthetic pigment-protein complexes: quantum chemistry driven multiscale approaches.Physical chemistry chemical physics : PCCP · 2022Article
- Semiclassical Modified Redfield and Generalized Förster Theories of Exciton Relaxation/Transfer in Light-Harvesting Complexes: The Quest for the Principle of Detailed Balance.The journal of physical chemistry. B · 2021Article
- Static Disorder in Excitation Energies of the Fenna-Matthews-Olson Protein: Structure-Based Theory Meets Experiment.The journal of physical chemistry letters · 2020Article
- Structural basis of light-harvesting in the photosystem II core complex.Protein science : a publication of the Protein Society · 2020Review
- Quantum biology revisited.Science advances · 2020Review
- Macrocycle ring deformation as the secondary design principle for light-harvesting complexes.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Nonlinear network model analysis of vibrational energy transfer and localisation in the Fenna-Matthews-Olson complex.Scientific reports · 2016Article
- Hole-Burning Spectroscopy on Excitonically Coupled Pigments in Proteins: Theory Meets Experiment.Journal of the American Chemical Society · 2016Article
- Variation of exciton-vibrational coupling in photosystem II core complexes from Thermosynechococcus elongatus as revealed by single-molecule spectroscopy.The journal of physical chemistry. B · 2015Article
- Constrained geometric dynamics of the Fenna-Matthews-Olson complex: the role of correlated motion in reducing uncertainty in excitation energy transfer.Photosynthesis research · 2014Article
- Long-wavelength limit of photochemical energy conversion in Photosystem I.Journal of the American Chemical Society · 2014Article
- Photosynthetic light harvesting: excitons and coherence.Journal of the Royal Society, Interface · 2014Review
- Structure-based modeling of energy transfer in photosynthesis.Photosynthesis research · 2013Review
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6 authors.
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Abstract
We report a method for the structure-based calculation of the spectral density of the pigment-protein coupling in light-harvesting complexes that combines normal-mode analysis with the charge density coupling (CDC) and transition charge from electrostatic potential (TrEsp) methods for the computation of site energies and excitonic couplings, respectively. The method is applied to the Fenna-Matthews-Olson (FMO) protein in order to investigate the influence of the different parts of the spectral density as well as correlations among these contributions on the energy transfer dynamics and on the temperature-dependent decay of coherences. The fluctuations and correlations in excitonic couplings as well as the correlations between coupling and site energy fluctuations are found to be 1 order of magnitude smaller in amplitude than the site energy fluctuations. Despite considerable amplitudes of that part of the spectral density which contains correlations in site energy fluctuations, the effect of these correlations on the exciton population dynamics and dephasing of coherences is negligible. The inhomogeneous charge distribution of the protein, which causes variations in local pigment-protein coupling constants of the normal modes, is responsible for this effect. It is seen thereby that the same building principle that is used by nature to create an excitation energy funnel in the FMO protein also allows for efficient dissipation of the excitons' excess energy.
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