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Article
Site-directed mutagenesis of two amino acid residues in cytochrome b559 α subunit that interact with a phosphatidylglycerol molecule (PG772) induces quinone-dependent inhibition of photosystem II activity
X-ray crystallographic analysis (1.9-Å resolution) of the cyanobacterial photosystem II (PSII) dimer showed the presence of five phosphatidylglycerol (PG) molecules per reaction center. One of the PG molecules...
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Chapter and Conference Paper
Ammonia-Induced Structural Changes of the Oxygen-Evolving Complex in Photosystem II Diminished at 277 K as Revealed by Light-Induced FTIR Difference Spectroscopy
We have applied light-induced FTIR difference spectroscopy to study NH3-induced structural changes of the oxygen-evolving complex in photosystem II. We found that NH3-induced spectral changes in the flash-induced...
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Article
Low-frequency fourier transform infrared spectroscopy of the oxygen-evolving complex in Photosystem II*
In this communication, we report our progress on the development of low-frequency Fourier transform infrared (FTIR) spectroscopic techniques to study metal-substrate and metal-ligand vibrational modes in the P...
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Chapter
Detection of Low Frequency Modes of S1/S2 and QA/Q A - in Photosystem II by Light-Induced Fourier Transform Infrared Difference Spectroscopy
Several new structural and mechanistic models for photosynthetic water oxidation predict unique molecular structures for each S state of the OEC that should present characteristic signals in the low frequency ...