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Article

Regulation of photosynthetic light harvesting involves intrathylakoid lumen pH sensing by the PsbS protein.

The Journal of biological chemistry - 28 May 2004

Li Xiao-Ping, Gilmore Adam M, Caffarri Stefano, Bassi Roberto, Golan Talila, Kramer David, Niyogi Krishna K

Abstract excerpt

The biochemical, biophysical, and physiological properties of the PsbS protein were studied in relation to mutations of two symmetry-related, lumen-exposed glutamate residues, Glu-122 and Glu-226. These two glutamates are targets for protonation during lumen acidification in excess light. Mutation of PsbS did not affect xanthophyll cycle pigment conversion or pool size. Plants containing PsbS mutations of both...

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Identifiers

PMID: 15033974
DOI: 10.1074/jbc.M402461200

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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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Regulation of photosynthetic light harvesting involves intrathylakoid lumen pH sensing by the PsbS protein.PMID 15033974Read ↗

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