ArticleProceedings of the National Academy of Sciences of the United States of America2010
Anabaena sensory rhodopsin is a light-driven unidirectional rotor.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2010. 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, 74 citations in OpenAlex.
- Formylation boosts the performance of light-driven overcrowded alkene-derived rotary molecular motors.Nature chemistry · 2024Article
- A visible-light-driven molecular motor based on barbituric acid.Chemical science · 2023Article
- Designing light-driven rotary molecular motors.Chemical science · 2021Review
- Computational and Spectroscopic Characterization of the Photocycle of an Artificial Rhodopsin.The journal of physical chemistry letters · 2020Article
- a-ARM: Automatic Rhodopsin Modeling with Chromophore Cavity Generation, Ionization State Selection, and External Counterion Placement.Journal of chemical theory and computation · 2019Article
- Azobenzene as a photoregulator covalently attached to RNA: a quantum mechanics/molecular mechanics-surface hopping dynamics study.Chemical science · 2018Article
- A natural light-driven inward proton pump.Nature communications · 2016Article
- A Photoisomerizing Rhodopsin Mimic Observed at Atomic Resolution.Journal of the American Chemical Society · 2016Article
- Molecular bases for the selection of the chromophore of animal rhodopsins.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Exploring the Photophysical Properties of Molecular Systems Using Excited State Accelerated ab Initio Molecular Dynamics.Journal of chemical theory and computation · 2012Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The implementation of multiconfigurational quantum chemistry methods into a quantum-mechanics/molecular-mechanics protocol has allowed the construction of a realistic computer model for the sensory rhodopsin of the cyanobacterium Anabaena PCC 7120. The model, which reproduces the absorption spectra of both the all-trans and 13-cis forms of the protein and their associated K and L intermediates, is employed to investigate the light-driven steps of the photochromic cycle exhibited by the protein. It is found that the photoisomerizations of the all-trans and 13-cis retinal chromophores occur through unidirectional, counterclockwise 180° rotations of the =C14-C15= moiety with respect to the Lys210-linked end of the chromophore axis. Thus, the sequential interconversions of the all-trans and 13-cis forms during a single photochromic cycle yield a complete (360°) unidirectional rotation of the =C14-C15= moiety. This finding implies that Anabaena sensory rhodopsin is a biological realization of a light-driven molecular rotor.
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