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Article

Proton channel hydration and dynamics of a bacteriorhodopsin triple mutant with an M-state-like conformation.

European biophysics journal : EBJ - 1 Jun 2005

Lehnert U, Réat V, Zaccai G, Oesterhelt D

Abstract excerpt

The hydration and dynamics of purple membranes (PM) containing the bacteriorhodopsin (BR) triple mutant D96G/F171C/F219L were investigated by neutron diffraction coupled with H(2)O/D(2)O exchange and by energy-resolved neutron scattering. The mutant, which is active in proton transport (Tittor et al. in J. Mol. Biol. 319:555-565, 2002), has an "open" ground-state structure similar to that of the M intermediate in...

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PMID: 15688183
DOI: 10.1007/s00249-004-0456-6

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