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Biochem Biophys Rep. 2016 Jul 21;7:347-352. doi: 10.1016/j.bbrep.2016.07.009. eCollection 2016 Sep.

Wavelength-dependent photocycle activity of xanthorhodopsin in the visible region.

Biochemistry and biophysics reports

Han-Kuei Chiang, Li-Kang Chu

Affiliations

  1. Department of Chemistry, National Tsing Hua University, 101, Section 2, Kuang-Fu Rd., Hsinchu 30013, Taiwan.

PMID: 28955925 PMCID: PMC5613640 DOI: 10.1016/j.bbrep.2016.07.009

Abstract

Xanthorhodopsin (xR) is a dual-chromophore proton-pump photosynthetic protein comprising one retinal Schiff base and one light-harvesting antenna salinixanthin (SX). The excitation wavelength-dependent transient population of the intermediate M demonstrates that the excitation of the retinal at 570 nm leads to the highest photocycle activity and the excitations of SX at 460 and 430 nm reduce the activity to

Keywords: Energy transfer efficiency; Salinixanthin; Wavelength dependence; Xanthorhodopsin

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