1.10.3.9: photosystem II
This is an abbreviated version!
For detailed information about photosystem II, go to the full flat file.
Word Map on EC 1.10.3.9
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1.10.3.9
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chlorophyll
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chloroplast
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thylakoids
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photochemical
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light-harvesting
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antenna
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photoinhibition
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spinach
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cyanobacterium
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illumination
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synechocystis
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co2
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dissipation
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photoprotection
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photochemistry
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non-photochemical
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qa
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manganese
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epr
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light-induced
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acclimation
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photon
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lhcii
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reinhardtii
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stomatal
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flash
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carotenoid
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extrinsic
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chlamydomonas
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photodamage
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herbicide
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supercomplexes
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synechococcus
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dark-adapted
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elongatus
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zeaxanthin
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singlet
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pigment-protein
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photoautotrophic
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xanthophyl
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photooxidation
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solar
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phytoplankton
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photoinactivation
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excitonic
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atrazine
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photoreduction
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plastocyanin
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far-red
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light-driven
- 1.10.3.9
- chlorophyll
- chloroplast
- thylakoids
-
photochemical
-
light-harvesting
- antenna
-
photoinhibition
- spinach
- cyanobacterium
- illumination
- synechocystis
- co2
-
dissipation
-
photoprotection
-
photochemistry
-
non-photochemical
- qa
- manganese
- epr
-
light-induced
-
acclimation
-
photon
- lhcii
- reinhardtii
-
stomatal
- flash
-
carotenoid
-
extrinsic
- chlamydomonas
-
photodamage
-
herbicide
-
supercomplexes
- synechococcus
-
dark-adapted
- elongatus
- zeaxanthin
-
singlet
-
pigment-protein
-
photoautotrophic
-
xanthophyl
- photooxidation
-
solar
-
phytoplankton
-
photoinactivation
-
excitonic
- atrazine
-
photoreduction
- plastocyanin
-
far-red
-
light-driven
Reaction
2 H2O + 2 plastoquinone + 4 hnu = + 2 plastoquinol
Synonyms
oxygen-evolving photosystem II, Photosystem II, photosystem II lipoprotein Psb27, photosystem II protein D1 1, photosystem II protein D1 2, PS II, PsbA1, PsbA2, PSII, water:plastoquinone oxido-reductase, water:plastoquinone oxidoreductase
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Engineering
Engineering on EC 1.10.3.9 - photosystem II
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N234D
mutation of residue that interacts with two of the phosphatidylglycerol molecules of the complex. Mutant exhibits normal growth, but shows decreased photosynthetic activities and slower electron transport from QA to QB than the control strain
S11A
mutation in the cytochrome (Cyt) b559 alpha subunit. Photosynthetic activity of intact cells is slightly lower in mutant than that of cells in the control strain. One phosphatidylglycerol molecule per reaction center (presumably PG772), is lost in the photosystem II (PSII) dimer. The site-directed mutagenesis of Thr5 and Ser11 induces quinone-dependent inhibition of PSII activity under high-intensity light conditions and destabilizes the binding of extrinsic proteins to PSII
S232A
mutation of residue that interacts with two of the phosphatidylglycerol molecules of the complex. Mutant exhibits normal growth, but shows decreased photosynthetic activities and slower electron transport from QA to QB than the control strain
S232A/N234D
mutation of residues that interact with two of the phosphatidylglycerol molecules of the complex. Mutant exhibits normal growth, but shows decreased photosynthetic activities and slower electron transport from QA to QB than the control strain. The levels of extrinsic proteins, PsbV and PsbU, are decreased in PSII monomers, while that of Psb28 is increased. The content of phosphatidylglycerol in PSII is slightly decreased, whereas that of monogalactosyldiacylglycerol is increased
T5A
mutation in the cytochrome (Cyt) b559 alpha subunit. Photosynthetic activity of intact cells is slightly lower in mutant than that of cells in the control strain. One phosphatidylglycerol molecule per reaction center (presumably PG772), is lost in the photosystem II (PSII) dimer. The site-directed mutagenesis of Thr5 and Ser11 induces quinone-dependent inhibition of PSII activity under high-intensity light conditions and destabilizes the binding of extrinsic proteins to PSII