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Article

The chromophore structure of the long-lived intermediate of the C128T channelrhodopsin-2 variant.

FEBS letters - 15 Dec 2011

Bruun Sara, Naumann Hendrik, Kuhlmann Uwe, Schulz Claudia, Stehfest Katja, Hegemann Peter, Hildebrandt Peter

Abstract excerpt

The photocycle of the light-activated channel, channelrhodopsin-2 C128T, has been studied by resonance Raman (RR) spectroscopy focussing on the intermediates P380 and P353 that constitute a side pathway in the recovery of the parent state. The P353 species displays a UV-vis absorption spectrum with a fine-structure reminiscent of the reduced-retro form of bacteriorhodopsin, whereas the respective RR spectra...

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PMID: 22094167
DOI: 10.1016/j.febslet.2011.11.007

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