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Article

Schiff Base Proton Acceptor Assists Photoisomerization of Retinal Chromophores in Bacteriorhodopsin.

Biophysical journal - 20 Jun 2017

Hung Chih-Chang, Chen Xiao-Ru, Ko Ying-Kuan, Kobayashi Takayoshi, Yang Chii-Shen, Yabushita Atsushi

Abstract excerpt

In this study, we investigated the ultrafast dynamics of bacteriorhodopsins (BRs) from Haloquadratum walsbyi (HwBR) and Haloarcula marismortui (HmBRI and HmBRII). First, the ultrafast dynamics were studied for three HwBR samples: wild-type, D93N mutation, and D104N mutation. The residues of the D93 and D104 mutants correspond to the control by the Schiff base proton acceptor and donor of the proton translocation...

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Identifiers

PMID: 28636908
DOI: 10.1016/j.bpj.2017.05.015
PMCID: PMC5479150

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Source receipt: pubmed, retrieved 7 Sept 2026.

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