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-Structure paper
| タイトル | Photosynthesis. Structural basis for energy transfer pathways in the plant PSI-LHCI supercomplex. |
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| ジャーナル・号・ページ | Science, Vol. 348, Issue 6238, Page 989-995, Year 2015 |
| 掲載日 | 2015年5月29日 |
著者 | Xiaochun Qin / Michihiro Suga / Tingyun Kuang / Jian-Ren Shen / ![]() |
| PubMed 要旨 | Photosynthesis converts solar energy to chemical energy by means of two large pigment-protein complexes: photosystem I (PSI) and photosystem II (PSII). In higher plants, the PSI core is surrounded by ...Photosynthesis converts solar energy to chemical energy by means of two large pigment-protein complexes: photosystem I (PSI) and photosystem II (PSII). In higher plants, the PSI core is surrounded by a large light-harvesting complex I (LHCI) that captures sunlight and transfers the excitation energy to the core with extremely high efficiency. We report the structure of PSI-LHCI, a 600-kilodalton membrane protein supercomplex, from Pisum sativum (pea) at a resolution of 2.8 angstroms. The structure reveals the detailed arrangement of pigments and other cofactors—especially within LHCI—as well as numerous specific interactions between the PSI core and LHCI. These results provide a firm structural basis for our understanding on the energy transfer and photoprotection mechanisms within the PSI-LHCI supercomplex. |
リンク | Science / PubMed:26023133 |
| 手法 | X線回折 |
| 解像度 | 2.8 Å |
| 構造データ | ![]() PDB-4xk8: |
| 化合物 | ![]() ChemComp-CLA: ![]() ChemComp-PQN: ![]() ChemComp-LHG: ![]() ChemComp-BCR: ![]() ChemComp-SF4: ![]() ChemComp-HTG: ![]() ChemComp-LMT: ![]() ChemComp-DGD: ![]() ChemComp-LMG: ![]() ChemComp-CHL: ![]() ChemComp-LUT: ![]() ChemComp-XAT: ![]() ChemComp-HOH: |
| 由来 |
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キーワード | PHOTOSYNTHESIS / photosystem i / plant LHCI-PSI supercomplex |
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pisum sativum (マメ科)
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