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Synthesis and assembly of thylakoid protein complexes: multiple assembly steps of photosystem II [PDF]

open access: bronzeBiochemical Journal, 2005
To study the synthesis and assembly of multisubunit thylakoid protein complexes, we performed [35S]Met pulse and chase experiments with isolated chloroplasts and intact leaves of spinach (Spinacia oleracea L.), followed by Blue Native gel separation of the (sub)complexes and subsequent identification of the newly synthesized and assembled protein ...
Anne, Rokka   +4 more
openaire   +4 more sources

Evidence for a chlorophylla/b—protein complex associated with Photosystem II [PDF]

open access: bronzeFEBS Letters, 1984
A new chlorophylla/b—protein complex designated as LHCPx was separated by SDS—PAGE. This complex differs from the light‐harvesting chla/b—protein of PS II, by its chla/bratio, its fluorescence properties and its apoprotein composition. Evidence is provided that this complex corresponds to a part of PS I antenna.
Remy, R., Ambard-Bretteville, F.
openaire   +3 more sources

The PsbQ protein defines cyanobacterial Photosystem II complexes with highest activity and stability [PDF]

open access: greenProceedings of the National Academy of Sciences, 2007
Light-induced conversion of water to molecular oxygen by Photosystem II (PSII) is one of the most important enzymatic reactions in the biosphere. PSII is a multisubunit membrane protein complex with numerous associated cofactors, but it continually undergoes assembly and disassembly due to frequent light-mediated damage as a result of its ...
Johnna L, Roose   +2 more
openaire   +4 more sources

Role of Novel Dimeric Photosystem II (PSII)-Psb27 Protein Complex in PSII Repair [PDF]

open access: hybridJournal of Biological Chemistry, 2011
The multisubunit membrane protein complex Photosystem II (PSII) catalyzes one of the key reactions in photosynthesis: the light-driven oxidation of water. Here, we focus on the role of the Psb27 assembly factor, which is involved in biogenesis and repair after light-induced damage of the complex.
Nicole, Grasse   +5 more
openaire   +4 more sources

The Photosystem II Oxygen-Evolving Complex Protein PsbP Interacts With the Coat Protein of Alfalfa mosaic virus and Inhibits Virus Replication [PDF]

open access: bronzeMolecular Plant-Microbe Interactions, 2014
Alfalfa mosaic virus (AMV) coat protein (CP) is essential for many steps in virus replication from early infection to encapsidation. However, the identity and functional relevance of cellular factors that interact with CP remain unknown.
Muthukumar Balasubramaniam   +3 more
doaj   +2 more sources

The cryo-EM structure of Photosystem I from Chromera velia with a bound superoxide dismutase heterodimer [PDF]

open access: yesNature Communications
Photosystem I is a key component of the solar energy conversion machinery in oxygenic photosynthesis, and its core, where photochemistry occurs, is highly conserved.
Xukun Yuan   +11 more
doaj   +2 more sources

A Novel Antenna Protein Complex in the Life Cycle of Cyanobacterial Photosystem II [PDF]

open access: gold, 2019
ABSTRACTIn oxygenic photosynthetic organisms, photosystem II (PSII) is a unique membrane protein complex that catalyzes light-driven oxidation of water. PSII undergoes frequent damage due to its demanding photochemistry. However, many facets of its repair and reassembly following photodamage remain unknown.
Weisz, Daniel A.   +9 more
openaire   +2 more sources

Advances in the Understanding of the Lifecycle of Photosystem II

open access: yesMicroorganisms, 2022
Photosystem II is a light-driven water-plastoquinone oxidoreductase present in cyanobacteria, algae and plants. It produces molecular oxygen and protons to drive ATP synthesis, fueling life on Earth.
Virginia M. Johnson, Himadri B. Pakrasi
doaj   +1 more source

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