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Unraveling the Electronic Structure of Individual Photosynthetic Pigment-Protein Complexes
Open accessAbstract
Low-temperature single-molecule spectroscopic techniques were applied to a light-harvesting pigment-protein complex (LH2) from purple photosynthetic bacteria. The properties of the electronically excited states of the two circular assemblies (B800 and B850) of bacteriochlorophyll a (BChl a) pigment molecules in the individual complexes were revealed, without ensemble averaging. The results show that the excited states of the B800 ring of pigments are mainly localized on individual BChl a molecules. In contrast, the absorption of a photon by the B850 ring can be consistently described in terms of an excitation that is completely delocalized over the ring. This property may contribute to the high efficiency of energy transfer in these photosynthetic complexes.
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Cited by
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Beyond Förster Resonance Energy Transfer in Biological and Nanoscale Systems
Beljonne, D., Curutchet, C., Scholes, G. D., & Silbey, R. J. (2009) · The Journal of Physical Chemistry B · doi:10.1021/jp900708f · Cited by 451
Quantum Coherent Energy Transfer over Varying Pathways in Single Light-Harvesting Complexes
Hildner, R., Brinks, D., Nieder, J. B., Cogdell, R. J., & van Hulst, N. F. (2013) · Science · doi:10.1126/science.1235820 · Cited by 351
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Huser, T., Yan, M., & Rothberg, L. J. (2000) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.97.21.11187 · Cited by 322
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Metadata
- Authors
- van Oijen, A. M., Ketelaars, M., Köhler, J., Aartsma, T. J., & Schmidt, J.
- Venue
- Science
- Published
- 1999-07-16
- Volume
- 285
- Issue
- 5426
- Pages
- 400-402
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2102054882
- Cited by
- 530
- References
- 0
- FWCI
- 20.21
- Type
- journal article
- Language
- en
- Open access
- green
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- van Oijen, A. M., Ketelaars, M., Köhler, J., Aartsma, T. J., & Schmidt, J. (1999). Unraveling the Electronic Structure of Individual Photosynthetic Pigment-Protein Complexes. Science. https://doi.org/10.1126/science.285.5426.400
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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