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- PDB-5xnl: Structure of stacked C2S2M2-type PSII-LHCII supercomplex from Pis... -
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Basic information
Entry | Database: PDB / ID: 5xnl | |||||||||||||||
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Title | Structure of stacked C2S2M2-type PSII-LHCII supercomplex from Pisum sativum | |||||||||||||||
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![]() | MEMBRANE PROTEIN / Photosystem II / PSII-LHCII / C2S2M2 / Supercomplex | |||||||||||||||
Function / homology | ![]() photosynthesis, light harvesting in photosystem II / PSII associated light-harvesting complex II / response to high light intensity / photosynthesis, light harvesting / regulation of stomatal movement / plastoglobule / response to abscisic acid / photosystem II assembly / photosynthesis, light harvesting in photosystem I / photosystem II oxygen evolving complex ...photosynthesis, light harvesting in photosystem II / PSII associated light-harvesting complex II / response to high light intensity / photosynthesis, light harvesting / regulation of stomatal movement / plastoglobule / response to abscisic acid / photosystem II assembly / photosynthesis, light harvesting in photosystem I / photosystem II oxygen evolving complex / oxygen evolving activity / photosystem II stabilization / photosystem II / photosystem II reaction center / chloroplast envelope / oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor / photosystem I / photosynthetic electron transport chain / response to herbicide / photosystem II / extrinsic component of membrane / chlorophyll binding / photosynthesis, light reaction / electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity / phosphate ion binding / chloroplast thylakoid membrane / response to light stimulus / photosynthetic electron transport in photosystem II / photosynthesis / electron transfer activity / protein stabilization / iron ion binding / protein domain specific binding / calcium ion binding / heme binding / metal ion binding Similarity search - Function | |||||||||||||||
Biological species | ![]() ![]() | |||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.7 Å | |||||||||||||||
![]() | Su, X.D. / Ma, J. / Wei, X.P. / Cao, P. / Zhu, D.J. / Chang, W.R. / Liu, Z.F. / Zhang, X.Z. / Li, M. | |||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Structure and assembly mechanism of plant CSM-type PSII-LHCII supercomplex. Authors: Xiaodong Su / Jun Ma / Xuepeng Wei / Peng Cao / Dongjie Zhu / Wenrui Chang / Zhenfeng Liu / Xinzheng Zhang / Mei Li / ![]() Abstract: In plants, the photosynthetic machinery photosystem II (PSII) consists of a core complex associated with variable numbers of light-harvesting complexes II (LHCIIs). The supercomplex, comprising a ...In plants, the photosynthetic machinery photosystem II (PSII) consists of a core complex associated with variable numbers of light-harvesting complexes II (LHCIIs). The supercomplex, comprising a dimeric core and two strongly bound and two moderately bound LHCIIs (CSM), is the dominant form in plants acclimated to limited light. Here we report cryo-electron microscopy structures of two forms of CSM (termed stacked and unstacked) from at 2.7- and 3.2-angstrom resolution, respectively. In each CSM, the moderately bound LHCII assembles specifically with a peripheral antenna complex CP24-CP29 heterodimer and the strongly bound LHCII, to establish a pigment network that facilitates light harvesting at the periphery and energy transfer into the core. The high mobility of peripheral antennae, including the moderately bound LHCII and CP24, provides insights into functional regulation of plant PSII. | |||||||||||||||
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PDBx/mmCIF format | ![]() | 2.4 MB | Display | ![]() |
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PDB format | ![]() | 2.1 MB | Display | ![]() |
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-Validation report
Summary document | ![]() | 22 MB | Display | ![]() |
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Full document | ![]() | 23.7 MB | Display | |
Data in XML | ![]() | 465.6 KB | Display | |
Data in CIF | ![]() | 574.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6741MC ![]() 6742C ![]() 6743C ![]() 6744C ![]() 5xnmC ![]() 5xnnC ![]() 5xnoC M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Assembly
Deposited unit | ![]()
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Components
-Chlorophyll a-b binding ... , 2 types, 12 molecules 12GNY56gny37
#1: Protein | Mass: 24952.113 Da / Num. of mol.: 10 / Fragment: UNP residues 37-268 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #2: Protein | Mass: 26545.240 Da / Num. of mol.: 2 / Fragment: UNP residues 23-265 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-Light harvesting chlorophyll a/b-binding protein ... , 3 types, 6 molecules 48RrSs
#3: Protein | Mass: 22858.957 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #19: Protein | Mass: 27138.688 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #20: Protein | Mass: 26541.545 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-Photosystem II ... , 14 types, 28 molecules AaBbCcDdHhIiJjKkLlMmTtWwXxZz
#4: Protein | Mass: 38147.430 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #5: Protein | Mass: 56117.840 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #6: Protein | Mass: 52035.629 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #7: Protein | Mass: 39557.199 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #10: Protein | Mass: 7863.094 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #11: Protein/peptide | Mass: 4184.918 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #12: Protein/peptide | Mass: 4116.847 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #13: Protein | Mass: 6912.290 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #14: Protein/peptide | Mass: 4498.100 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #15: Protein/peptide | Mass: 3756.513 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #21: Protein/peptide | Mass: 4036.859 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #22: Protein | Mass: 5914.629 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #23: Protein | Mass: 8692.072 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #24: Protein | Mass: 6555.742 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-Cytochrome b559 subunit ... , 2 types, 4 molecules EeFf
#8: Protein | Mass: 9421.555 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #9: Protein/peptide | Mass: 4488.324 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-Oxygen-evolving enhancer protein ... , 3 types, 6 molecules OoPpQq
#16: Protein | Mass: 26554.646 Da / Num. of mol.: 2 / Fragment: UNP residues 82-329 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #17: Protein | Mass: 20287.494 Da / Num. of mol.: 2 / Fragment: UNP residues 74-259 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #18: Protein | Mass: 16398.898 Da / Num. of mol.: 2 / Fragment: UNP residues 87-234 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-Sugars , 1 types, 10 molecules ![](data/chem/img/DGD.gif)
#39: Sugar | ChemComp-DGD / |
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-Non-polymers , 17 types, 1556 molecules ![](data/chem/img/CHL.gif)
![](data/chem/img/CLA.gif)
![](data/chem/img/LUT.gif)
![](data/chem/img/XAT.gif)
![](data/chem/img/NEX.gif)
![](data/chem/img/LHG.gif)
![](data/chem/img/BCR.gif)
![](data/chem/img/OEX.gif)
![](data/chem/img/FE2.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/PHO.gif)
![](data/chem/img/SQD.gif)
![](data/chem/img/LMG.gif)
![](data/chem/img/PL9.gif)
![](data/chem/img/BCT.gif)
![](data/chem/img/HEM.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/CLA.gif)
![](data/chem/img/LUT.gif)
![](data/chem/img/XAT.gif)
![](data/chem/img/NEX.gif)
![](data/chem/img/LHG.gif)
![](data/chem/img/BCR.gif)
![](data/chem/img/OEX.gif)
![](data/chem/img/FE2.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/PHO.gif)
![](data/chem/img/SQD.gif)
![](data/chem/img/LMG.gif)
![](data/chem/img/PL9.gif)
![](data/chem/img/BCT.gif)
![](data/chem/img/HEM.gif)
![](data/chem/img/HOH.gif)
#25: Chemical | ChemComp-CHL / #26: Chemical | ChemComp-CLA / #27: Chemical | ChemComp-LUT / ( #28: Chemical | ChemComp-XAT / ( #29: Chemical | ChemComp-NEX / ( #30: Chemical | ChemComp-LHG / #31: Chemical | ChemComp-BCR / #32: Chemical | #33: Chemical | #34: Chemical | ChemComp-CL / #35: Chemical | ChemComp-PHO / #36: Chemical | ChemComp-SQD / #37: Chemical | ChemComp-LMG / #38: Chemical | ChemComp-PL9 / |
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