Time-resolved x-ray diffraction study of photostimulated purple membrane.
A nanosecond resolution laser-driven x-ray source has been used to perform a time-resolved, x-ray diffraction study of the purple membrane of the Halobacterium halobium. Alterations in diffraction patterns have been observed 1 ms after photostimulation, and are interpreted to show disorder of bacteriorhodopsin packing in the plane of the membrane with little bacteriorhodopsin structural change.
D001436:Bacteriorhodopsins / Q000378:metabolism*; D002338:Carotenoids / Q000378:metabolism*; D006217:Halobacterium / Q000378:metabolism*; D007700:Kinetics; D010775:Photic Stimulation; D013997:Time Factors; D014961:X-Ray Diffraction / Q000295:instrumentation / Q000379:methods
D002338:Carotenoids; D001436:Bacteriorhodopsins