Proximity of the manganese cluster of photosystem II to the redox-active tyrosine YZ

Electron spin echo electron-nuclear double resonance (ESE-ENDOR) experiments performed on a broad radical electron paramagnetic resonance (EPR) signal observed in photosystem II particles depleted of Ca2+ indicate that this signal arises from the redox-active tyrosine YZ. The tyrosine EPR signal wid...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 1995-10, Vol.92 (21), p.9545-9549
Hauptverfasser:	M L Gilchrist, Jr, J A Ball, D W Randall, R D Britt
Format:	Artikel
Sprache:	eng
Schlagworte:	Biochemistry Calcium - deficiency Electron Spin Resonance Spectroscopy Free radicals Light Manganese Metalloproteins - chemistry Metalloproteins - metabolism Metalloproteins - radiation effects Models, Chemical Oxidation-Reduction Photosynthesis Photosynthetic Reaction Center Complex Proteins - chemistry Photosynthetic Reaction Center Complex Proteins - metabolism Photosynthetic Reaction Center Complex Proteins - radiation effects Photosystem II Protein Complex Physics Protons Tyrosine - chemistry Tyrosine - metabolism Water - metabolism
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