Literature summary for 1.10.3.9 extracted from

Morosinotto, T.; Bassi, R.; Frigerio, S.; Finazzi, G.; Morris, E.; Barber, J.
Biochemical and structural analyses of a higher plant photosystem II supercomplex of a photosystem I-less mutant of barley. Consequences of a chronic over-reduction of the plastoquinone pool (2006), FEBS J., 273, 4616-4630.

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Localization

Localization	Comment	Organism	GeneOntology No.	Textmining
thylakoid	-	Hordeum vulgare	9579	-

Organism

Organism	UniProt	Comment	Textmining
Hordeum vulgare	-	wild type and mutant viridis zb63 lacking photosystem I but with normal photosystem II activity	-

Source Tissue

Source Tissue	Comment	Organism	Textmining

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
H2O + plastoquinone + hv	-	Hordeum vulgare	O2 + plastoquinol	-	?

Subunits

Subunits	Comment	Organism
multimer	photosystem II consists of a dimeric photosystem II reaction centre core surrounded by monomeric Lhcb4 (chlorophyll protein 29), Lhcb5 (chlorophyll protein 26) and trimeric light-harvesting complex II antenna proteins	Hordeum vulgare

Synonyms

Synonyms	Comment	Organism
PSII	-	Hordeum vulgare

General Information

General Information	Comment	Organism
physiological function	there are two distinct signalling pathways activated by excess light absorbed by photosystem II: one, dependent on the redox state of the electron transport chain, is involved in the regulation of antenna size, and the second, more directly linked to the level of photoinhibitory stress perceived by the cell, participates in regulating carotenoid biosynthesis	Hordeum vulgare

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Release 2023.1 (January 2023)