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Article

Low-temperature Raman spectroscopy of sodium-pump rhodopsin from Indibacter alkaliphilus: insight of Na+ binding for active Na+ transport.

Physical chemistry chemical physics : PCCP - 28 Jan 2021

Nakamizo Yushi, Fujisawa Tomotsumi, Kikukawa Takashi, Okamura Akiko, Baba Hiroaki, Unno Masashi

Abstract excerpt

We carried out the low-temperature Raman measurement of a sodium pump rhodopsin from Indibacter alkaliphilus (IaNaR) and examined the primary structural change for the light-driven Na+ pump. We observed that photoexcitation of IaNaR produced the distorted 13-cis retinal chromophore in the presence of Na+, while the structural distortion was significantly relaxed in the absence of Na+. This structural difference...

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PMID: 33433533
DOI: 10.1039/d0cp05652a

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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