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Structural analysis of extrinsic proteins from the oxygen-evolving complex of photosystem II from higher plants / Structural analysis of extrinsic proteins from the oxygen-evolving complex of photosystem II from higher plantsKOHOUTOVÁ, Jaroslava January 2010 (has links)
All life on earth depends mainly on the presence of oxygen. Largest producers of oxygen are green plants, cyanobacteria and algae. Oxygen is released from the oxygenevolving complex of photosystem II during photosynthesis and it is used in cellular respiration of all life complexes. The oxygen-evolving complex of photosystem II has the same function in each photosynthetic organism, but it has a different composition and organization of extrinsic proteins; only PsbO protein is ubiquitous in all known oxyphototrophs. Until now only low resolution electron microscopy structural models of plant PSII and crystal structures of cyanobacterial PSII are available. Higher plant extrinsic proteins (PsbP, PsbQ and PsbR) are structurally unrelated, non-homologues to the cyanobacterial extrinsic proteins (PsbO, PsbU and PsbV) and this is the reason why it is not possible to predict arrangement of these proteins on the lumenal site of higher plant PSII. Recently, models differ mainly in the structure of the oxygen-evolving complex, which could be resolved by determination of the exact binding sites for extrinsic proteins. An other question evolves: if the difference in the oxygen-evolving complex composition is the result of evolution or adaptation of photosynthetic organisms to their environment. Structural knowledge of extrinsic proteins that could help to resolve the location and subsequently the function of extrinsic proteins is still incomplete. From this case,structural analysis, interactions and probably arrangement of proteins PsbP and PsbQ was studied and is described in detail in this thesis.
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緑色植物型光化学系II超複合体におけるPsbPタンパク質の相互作用と分子機能西村, 太志 23 March 2017 (has links)
京都大学 / 0048 / 新制・課程博士 / 博士(生命科学) / 甲第20525号 / 生博第367号 / 新制||生||48(附属図書館) / 京都大学大学院生命科学研究科統合生命科学専攻 / (主査)教授 佐藤 文彦, 教授 河内 孝之, 教授 福澤 秀哉 / 学位規則第4条第1項該当 / Doctor of Philosophy in Life Sciences / Kyoto University / DFAM
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