Orientation of the Chromophore Plane in Purple Membrane

András Dér, Sándor Száraz, József Czégé

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6 Citations (Scopus)

Abstract

Excitation of bacteriorhodopsin (BR) in its β absorption band drives a photocycle identical in the millisecond range, to that excited in the α band of BR. The relative contribution of the two transition dipoles distinguished in the β band to the initiation of the photocycle was established by photoselection experiments. Having this information the orientation of the chromophoric plane was specified by electric dichroism measurements.

Original languageEnglish
Pages (from-to)1175-1178
Number of pages4
JournalBiophysical journal
Volume54
Issue number6
DOIs
Publication statusPublished - Jan 1 1988

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ASJC Scopus subject areas

  • Biophysics

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