The effect of two dimensional array formation as revealed by site-directed solid-state ^<13>CNMR on bacteriorhodopsin
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Energy transformations early in the bacteriorhodopsin photocycle revealed by DNP-enhanced solid-state NMR.
By exploiting dynamic nuclear polarization (DNP) at 90 K, we observe the first NMR spectrum of the K intermediate in the ion-motive photocycle of bacteriorhodopsin. The intermediate is identified by its reversion to the resting state of the protein in red light and by its thermal decay to the L intermediate. The (15)N chemical shift of the Schiff base in K indicates that contact has been lost w...
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ژورنال
عنوان ژورنال: Seibutsu Butsuri
سال: 2003
ISSN: 0582-4052,1347-4219
DOI: 10.2142/biophys.43.s191_1