Double-Quantum 13C Nuclear Magnetic Resonance of Bathorhodopsin, the First Photointermediate in Mammalian Vision

abstract

The 13C chemical shifts of the primary visual photointermediate bathorhodopsin have been observed by performing double-quantum magic-angle-spinning NMR at low temperature in the presence of illumination. Strong isomerization shifts have been observed upon the conversion of rhodopsin into bathorhodopsin.

authors

M. Concistrè, A. Gansmüller, N. McLean, O. G. Johannessen, I. Marín Montesinos, P. H. M. Bovee- Geurts, P. Verdegem, J. Lugtenburg, R. C. D. Brown, W. J. DeGrip and M. H. Levitt

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