- EMDB-33401: PSI-LHCI-LHCII-Lhcb9 supercomplex of Physcomitrella patens -
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Basic information
Entry
Database: EMDB / ID: EMD-33401
Title
PSI-LHCI-LHCII-Lhcb9 supercomplex of Physcomitrella patens
Map data
Sample
Complex: PSI-LHCI-LHCII-Lhcb9 supercomplex of Physcomitrella patens
Protein or peptide: x 18 types
Protein or peptide: x 2 types
Ligand: x 12 types
Keywords
Supercomplex / Membrane protein / State transitions / PHOTOSYNTHESIS
Function / homology
Function and homology information
plastoglobule / photosynthesis, light harvesting in photosystem I / photosystem I reaction center / photosystem I / : / chloroplast envelope / photosystem I / photosystem II / chlorophyll binding / photosynthetic electron transport in photosystem I ...plastoglobule / photosynthesis, light harvesting in photosystem I / photosystem I reaction center / photosystem I / : / chloroplast envelope / photosystem I / photosystem II / chlorophyll binding / photosynthetic electron transport in photosystem I / chloroplast thylakoid membrane / response to light stimulus / photosynthesis / chloroplast / 4 iron, 4 sulfur cluster binding / membrane => GO:0016020 / oxidoreductase activity / electron transfer activity / magnesium ion binding / membrane / metal ion binding Similarity search - Function
: / Photosystem I PsaO / Photosystem I PsaH, reaction centre subunit VI / Photosystem I reaction centre subunit VI / Photosystem I reaction center subunit V / Photosystem I reaction center subunit psaK, plant / Photosystem I reaction center subunit V/PsaK, plant / Photosystem I PsaG/PsaK domain, chloroplastic / Photosystem I PsaM, reaction centre superfamily / Photosystem I PsaM, reaction centre ...: / Photosystem I PsaO / Photosystem I PsaH, reaction centre subunit VI / Photosystem I reaction centre subunit VI / Photosystem I reaction center subunit V / Photosystem I reaction center subunit psaK, plant / Photosystem I reaction center subunit V/PsaK, plant / Photosystem I PsaG/PsaK domain, chloroplastic / Photosystem I PsaM, reaction centre superfamily / Photosystem I PsaM, reaction centre / Photosystem I protein M (PsaM) / Photosystem I psaG and psaK proteins signature. / Photosystem I reaction center subunit V/PsaK / Photosystem I psaG / psaK / 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 / Chlorophyll A-B binding protein, plant and chromista / Photosystem I PsaJ, reaction centre subunit IX / Photosystem I PsaD / Chlorophyll A-B binding protein / Photosystem I PsaJ, reaction centre subunit IX superfamily / Photosystem I, reaction centre subunit PsaD superfamily / Chlorophyll A-B binding protein / Photosystem I reaction centre subunit IX / PsaJ / PsaD / Photosystem I PsaE, reaction centre subunit IV / Photosystem I reaction centre subunit IV / PsaE / Photosystem I protein PsaC / Photosystem I PsaA / Photosystem I PsaB / 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 Similarity search - Domain/homology
PSI subunit V / Uncharacterized protein / PSI-F / Photosystem I reaction center subunit V, chloroplastic / Photosystem I subunit O / Uncharacterized protein / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic ...PSI subunit V / Uncharacterized protein / PSI-F / Photosystem I reaction center subunit V, chloroplastic / Photosystem I subunit O / Uncharacterized protein / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / PSI-K / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / PsaH photosystem I reaction center subunit / Photosystem I reaction center subunit XII / Photosystem I reaction center subunit IX / Photosystem I iron-sulfur center / Photosystem I reaction center subunit VIII / Photosystem I P700 chlorophyll a apoprotein A2 / Photosystem I P700 chlorophyll a apoprotein A1 Similarity search - Component
Biological species
Physcomitrium patens (plant)
Method
single particle reconstruction / cryo EM / Resolution: 2.68 Å
Journal: Nat Plants / Year: 2023 Title: Structural insights into a unique PSI-LHCI-LHCII-Lhcb9 supercomplex from moss Physcomitrium patens. Authors: Song Zhang / Kailu Tang / Qiujing Yan / Xingyue Li / Liangliang Shen / Wenda Wang / Yi-Kun He / Tingyun Kuang / Guangye Han / Jian-Ren Shen / Xing Zhang / Abstract: Photosystem I (PSI) possesses a variable supramolecular organization among different photosynthetic organisms to adapt to different light environments. Mosses are evolutionary intermediates that ...Photosystem I (PSI) possesses a variable supramolecular organization among different photosynthetic organisms to adapt to different light environments. Mosses are evolutionary intermediates that diverged from aquatic green algae and evolved into land plants. The moss Physcomitrium patens (P. patens) has a light-harvesting complex (LHC) superfamily more diverse than those of green algae and higher plants. Here, we solved the structure of a PSI-LHCI-LHCII-Lhcb9 supercomplex from P. patens at 2.68 Å resolution using cryo-electron microscopy. This supercomplex contains one PSI-LHCI, one phosphorylated LHCII trimer, one moss-specific LHC protein, Lhcb9, and one additional LHCI belt with four Lhca subunits. The complete structure of PsaO was observed in the PSI core. One Lhcbm2 in the LHCII trimer interacts with PSI core through its phosphorylated N terminus, and Lhcb9 mediates assembly of the whole supercomplex. The complicated pigment arrangement provided important information for possible energy-transfer pathways from the peripheral antennae to the PSI core.
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