- EMDB-60032: PSI-FCPI-L in Thalassiosira pseudonana -
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基本情報
登録情報
データベース: EMDB / ID: EMD-60032
タイトル
PSI-FCPI-L in Thalassiosira pseudonana
マップデータ
試料
複合体: Tp-PSI-FCPI-L
タンパク質・ペプチド: x 25種
リガンド: x 12種
キーワード
photosystem I / PHOTOSYNTHESIS
機能・相同性
機能・相同性情報
light-harvesting complex / photosynthesis, light harvesting in photosystem I / photosynthesis, light harvesting / photosystem I reaction center / photosystem I / photosynthetic electron transport in photosystem I / photosystem I / photosystem II / chlorophyll binding / chloroplast thylakoid membrane ...light-harvesting complex / photosynthesis, light harvesting in photosystem I / photosynthesis, light harvesting / photosystem I reaction center / photosystem I / photosynthetic electron transport in photosystem I / photosystem I / photosystem II / chlorophyll binding / chloroplast thylakoid membrane / response to light stimulus / photosynthesis / chloroplast / 4 iron, 4 sulfur cluster binding / electron transfer activity / oxidoreductase activity / magnesium ion binding / metal ion binding / membrane 類似検索 - 分子機能
Photosystem I PsaM, reaction centre superfamily / Photosystem I PsaM, reaction centre / Photosystem I protein M (PsaM) / Photosystem I PsaL, reaction centre subunit XI / Photosystem I, reaction centre subunit XI / Photosystem I PsaL, reaction centre subunit XI superfamily / Photosystem I reaction centre subunit XI / Photosystem I reaction centre subunit VIII / Photosystem I reaction centre subunit VIII / Photosystem I reaction centre subunit VIII superfamily ...Photosystem I PsaM, reaction centre superfamily / Photosystem I PsaM, reaction centre / Photosystem I protein M (PsaM) / Photosystem I PsaL, reaction centre subunit XI / Photosystem I, reaction centre subunit XI / Photosystem I PsaL, reaction centre subunit XI superfamily / Photosystem I reaction centre subunit XI / Photosystem I reaction centre subunit VIII / Photosystem I reaction centre subunit VIII / Photosystem I reaction centre subunit VIII superfamily / Photosystem I PsaF, reaction centre subunit III / Photosystem I PsaF, reaction centre subunit III superfamily / Photosystem I reaction centre subunit III / Photosystem I PsaD / Photosystem I, reaction centre subunit PsaD superfamily / PsaD / Photosystem I PsaE, reaction centre subunit IV / Photosystem I PsaJ, reaction centre subunit IX superfamily / Photosystem I reaction centre subunit IV / PsaE / Chlorophyll A-B binding protein, plant and chromista / Photosystem I PsaJ, reaction centre subunit IX / Photosystem I reaction centre subunit IX / PsaJ / Chlorophyll A-B binding protein / Chlorophyll A-B binding protein / Photosystem I protein PsaC / Photosystem I PsaB / Photosystem I PsaA / Photosystem I PsaA/PsaB, conserved site / Photosystem I psaA and psaB proteins signature. / : / Photosystem I PsaA/PsaB / Photosystem I PsaA/PsaB superfamily / Photosystem I psaA/psaB protein / Electron transport accessory-like domain superfamily / 4Fe-4S dicluster domain / 4Fe-4S ferredoxin, iron-sulphur binding, conserved site / 4Fe-4S ferredoxin-type iron-sulfur binding region signature. / 4Fe-4S ferredoxin-type iron-sulfur binding domain profile. / 4Fe-4S ferredoxin-type, iron-sulphur binding domain 類似検索 - ドメイン・相同性
Photosystem I P700 chlorophyll a apoprotein A1 / Photosystem I P700 chlorophyll a apoprotein A2 / Photosystem I reaction center subunit XII / Photosystem I reaction center subunit VIII / Photosystem I reaction center subunit II / Photosystem I reaction center subunit XI / Photosystem I reaction center subunit III / Photosystem I reaction center subunit IX / Photosystem I iron-sulfur center / Fucoxanthin chl a/c light-harvesting protein, major type ...Photosystem I P700 chlorophyll a apoprotein A1 / Photosystem I P700 chlorophyll a apoprotein A2 / Photosystem I reaction center subunit XII / Photosystem I reaction center subunit VIII / Photosystem I reaction center subunit II / Photosystem I reaction center subunit XI / Photosystem I reaction center subunit III / Photosystem I reaction center subunit IX / Photosystem I iron-sulfur center / Fucoxanthin chl a/c light-harvesting protein, major type / Uncharacterized protein / Fucoxanthin chlorophyll a/c light-harvesting protein / Uncharacterized protein / Fucoxanthin chl a/c light-harvesting protein / Fucoxanthin chl a/c light-harvesting protein / Fucoxanthin chlorophyll a/c light-harvesting protein, lhcr type / Fucoxanthin chl a/c light-harvesting protein / Fucoxanthin chlorophyll a/c light-harvesting protein / Uncharacterized protein / Fucoxanthin chl a/c light-harvesting protein, lhcr type / Pt17531-like protein / PSAE, photosystem I reaction center subunit 類似検索 - 構成要素
ジャーナル: J Integr Plant Biol / 年: 2025 タイトル: Structures of PSI-FCPI from Thalassiosira pseudonana grown under high light provide evidence for convergent evolution and light-adaptive strategies in diatom FCPIs. 著者: Yue Feng / Zhenhua Li / Yang Yang / Lili Shen / Xiaoyi Li / Xueyang Liu / Xiaofei Zhang / Jinyang Zhang / Fei Ren / Yuan Wang / Cheng Liu / Guangye Han / Xuchu Wang / Tingyun Kuang / Jian-Ren ...著者: Yue Feng / Zhenhua Li / Yang Yang / Lili Shen / Xiaoyi Li / Xueyang Liu / Xiaofei Zhang / Jinyang Zhang / Fei Ren / Yuan Wang / Cheng Liu / Guangye Han / Xuchu Wang / Tingyun Kuang / Jian-Ren Shen / Wenda Wang / 要旨: Diatoms rely on fucoxanthin chlorophyll a/c-binding proteins (FCPs) for light harvesting and energy quenching under marine environments. Here we report two cryo-electron microscopic structures of ...Diatoms rely on fucoxanthin chlorophyll a/c-binding proteins (FCPs) for light harvesting and energy quenching under marine environments. Here we report two cryo-electron microscopic structures of photosystem I (PSI) with either 13 or five fucoxanthin chlorophyll a/c-binding protein Is (FCPIs) at 2.78 and 3.20 Å resolutions from Thalassiosira pseudonana grown under high light (HL) conditions. Among them, five FCPIs are stably associated with the PSI core, these include Lhcr3, RedCAP, Lhcq8, Lhcf10, and FCP3. The eight additional Lhcr-type FCPIs are loosely associated with the PSI core and detached under the present purification conditions. The pigments of this centric diatom showed a higher proportion of chlorophylls a, diadinoxanthins, and diatoxanthins; some of the chlorophyll as and diadinoxanthins occupy the locations of fucoxanthins found in the huge PSI-FCPI from another centric diatom Chaetoceros gracilis grown under low-light conditions. These additional chlorophyll as may form more energy transfer pathways and additional diadinoxanthins may form more energy dissipation sites relying on the diadinoxanthin-diatoxanthin cycle. These results reveal the assembly mechanism of FCPIs and corresponding light-adaptive strategies of T. pseudonana PSI-FCPI, as well as the convergent evolution of the diatom PSI-FCPI structures.