Publication: Transient 2D IR Spectroscopy and Multiscale Simulations Reveal Vibrational Couplings in the Cyanobacteriochrome Slr1393-g3
Transient 2D IR Spectroscopy and Multiscale Simulations Reveal Vibrational Couplings in the Cyanobacteriochrome Slr1393-g3
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Buhrke, D., Lahav, Y., Rao, A., Ruf, J., Schapiro, I., & Hamm, P. (2023). Transient 2D IR Spectroscopy and Multiscale Simulations Reveal Vibrational Couplings in the Cyanobacteriochrome Slr1393-g3. Chemistry, 145(29), 15766–15775. https://doi.org/10.1021/jacs.3c00896
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Cyanobacteriochromes are bistable photoreceptor proteins with desirable photochemical properties for biotechnological applications, such as optogenetics or fluorescence microscopy. Here, we investigate Slr1393-g3, a cyanobacteriochrome that reversibly photoswitches between a red-absorbing (Pr) and green-absorbing (Pg) form. We applied advanced IR spectroscopic methods to track the sequence of intermediates during the photocycle over many orders of magnitude in time. In the conversion from Pg to Pr, we have revealed a new intermediate
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- Buhrke, David
- Lahav, Yigal
- Rao, Aditya
- Ruf, Jeannette
- Schapiro, Igor
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Buhrke, D., Lahav, Y., Rao, A., Ruf, J., Schapiro, I., & Hamm, P. (2023). Transient 2D IR Spectroscopy and Multiscale Simulations Reveal Vibrational Couplings in the Cyanobacteriochrome Slr1393-g3. Chemistry, 145(29), 15766–15775. https://doi.org/10.1021/jacs.3c00896
