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The electron–proton bottleneck of photosynthetic oxygen evolution
Microsecond infrared spectroscopy together with quantum chemistry reveal the rate-determining proton and electron movements and identify an oxygen-radical state of the manganese cluster as the S4 state.
- Paul Greife
- , Matthias Schönborn
- & Holger Dau
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Article |
In situ structure of the red algal phycobilisome–PSII–PSI–LHC megacomplex
In situ structures of PBS–PSII–PSI–LHC megacomplexes from the alga P. purpureum at near-atomic resolution using cryogenic-electron tomography and in situ single-particle analysis are reported, providing interaction details between PBS, PSII and PSI.
- Xin You
- , Xing Zhang
- & Sen-Fang Sui
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Letter |
Structures of the intermediates of Kok’s photosynthetic water oxidation clock
Crystallography and spectroscopy are used to solve high-resolution structures of the intermediates of Kok’s S-state clock in photosystem II.
- Jan Kern
- , Ruchira Chatterjee
- & Vittal K. Yachandra
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Letter |
Structure of photosystem II and substrate binding at room temperature
The structures of three intermediate states of photosystem II, which is crucial for photosynthesis, have been solved at room temperature, shedding new light on this process.
- Iris D. Young
- , Mohamed Ibrahim
- & Junko Yano
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Brief Communications Arising |
No observable conformational changes in PSII
- Nicholas K. Sauter
- , Nathaniel Echols
- & Vittal K. Yachandra
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Article |
Structure of spinach photosystem II–LHCII supercomplex at 3.2 Å resolution
A high-resolution structural study sheds light on processes of energy transfer within the photosynthetic water-splitting machinery of plants.
- Xuepeng Wei
- , Xiaodong Su
- & Zhenfeng Liu
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Letter |
Native structure of photosystem II at 1.95 Å resolution viewed by femtosecond X-ray pulses
The radiation-damage-free structure of the photosystem II membrane protein complex, which oxidizes water into dioxygen in an oxygen evolving complex, has been determined by an X-ray free electron laser at a resolution of 1.95 Å; one of the substrate oxygen atoms in this reaction is now identified.
- Michihiro Suga
- , Fusamichi Akita
- & Jian-Ren Shen
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Letter |
Serial time-resolved crystallography of photosystem II using a femtosecond X-ray laser
Femtosecond X-ray pulses were used to obtain diffraction data on photosystem II, revealing conformational changes as the complex transitions from the dark S1 state to the double-pumped S3 state; the time-resolved serial femtosecond crystallography technique enables structural determination of protein conformations that are highly prone to traditional radiation damage.
- Christopher Kupitz
- , Shibom Basu
- & Petra Fromme
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Article |
Crystal structure of oxygen-evolving photosystem II at a resolution of 1.9 Å
- Yasufumi Umena
- , Keisuke Kawakami
- & Nobuo Kamiya
Oxygen-evolving photosystem II structures during S1–S2–S3 transitions