Chromophore Structural Change during the Photocycle of a Light-Driven Cl– Pump from Mastigocladopsis repens: A Cryogenic Raman Study
Kana Miyazaki,
Takashi Kikukawa,
Masashi Unno
et al.
Abstract:Microbial rhodopsins are the most widely distributed
photoreceptors
that bind a retinal Schiff base chromophore. Among them, a light-driven
Cl– pump discovered from Mastigocladopsis
repens (MrHR) is distinctive in that
it has the structural features of both H+ and Cl– pumps. While the photocycle has been characterized by light-induced
changes of the absorption spectrum, the structural changes of the
retinal chromophore remain largely unknown. In this study, we examined
the chromophore structural changes of MrH… Show more
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