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Article

Gloeobacter rhodopsin, limitation of proton pumping at high electrochemical load.

Biophysical journal - 5 Nov 2013

Vogt Arend, Wietek Jonas, Hegemann Peter

Abstract excerpt

We studied the photocurrents of a cyanobacterial rhodopsin Gloeobacter violaceus (GR) in Xenopus laevis oocytes and HEK-293 cells. This protein is a light-driven proton pump with striking similarities to marine proteorhodopsins, including the D121-H87 cluster of the retinal Schiff base counterion and a glutamate at position 132 that acts as a proton donor for chromophore reprotonation during the photocycle....

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Identifiers

PMID: 24209850
DOI: 10.1016/j.bpj.2013.08.031
PMCID: PMC3824519

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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