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Open data
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Basic information
| Entry | Database: PDB / ID: 8z9d | |||||||||||||||||||||||||||
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| Title | cryo-EM structure of PSII-LHCII megacomplex from spinach | |||||||||||||||||||||||||||
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Keywords | PHOTOSYNTHESIS / PSII / LHCII / megacomplex | |||||||||||||||||||||||||||
| Function / homology | Function and homology informationchloroplast photosystem II / chloroplast thylakoid / photosynthesis, light harvesting in photosystem I / photosystem II oxygen evolving complex / photosystem II assembly / oxygen evolving activity / photosystem II stabilization / photosystem II reaction center / photosystem II / oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor ...chloroplast photosystem II / chloroplast thylakoid / photosynthesis, light harvesting in photosystem I / photosystem II oxygen evolving complex / photosystem II assembly / oxygen evolving activity / photosystem II stabilization / photosystem II reaction center / photosystem II / oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor / photosynthetic electron transport chain / photosystem I / photosystem II / response to herbicide / extrinsic component of membrane / chlorophyll binding / photosynthetic electron transport in photosystem II / : / phosphate ion binding / chloroplast thylakoid membrane / photosynthesis, light reaction / response to light stimulus / photosynthesis / cell redox homeostasis / chloroplast / manganese ion binding / electron transfer activity / protein stabilization / iron ion binding / mRNA binding / heme binding / calcium ion binding / metal ion binding Similarity search - Function | |||||||||||||||||||||||||||
| Biological species | Spinacia oleracea (spinach) | |||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.22 Å | |||||||||||||||||||||||||||
Authors | Shan, J.Y. / Liu, Z.F. | |||||||||||||||||||||||||||
| Funding support | China, 1items
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Citation | Journal: Sci Adv / Year: 2024Title: Architecture and functional regulation of a plant PSII-LHCII megacomplex. Authors: Jianyu Shan / Dariusz M Niedzwiedzki / Rupal S Tomar / Zhenfeng Liu / Haijun Liu / ![]() Abstract: Photosystem II (PSII) splits water in oxygenic photosynthesis on Earth. The structure and function of the CSM-type PSII-LHCII (light-harvesting complex II) megacomplexes from the wild-type and PsbR- ...Photosystem II (PSII) splits water in oxygenic photosynthesis on Earth. The structure and function of the CSM-type PSII-LHCII (light-harvesting complex II) megacomplexes from the wild-type and PsbR-deletion mutant plants are studied through electron microscopy (EM), structural mass spectrometry, and ultrafast fluorescence spectroscopy [time-resolved fluorescence (TRF)]. The cryo-EM structure of a type I CSM megacomplex demonstrates that the three domains of PsbR bind to the stromal side of D1, D2, and CP43; associate with the single transmembrane helix of the redox active Cyt ; and stabilize the luminal extrinsic PsbP, respectively. This megacomplex, with PsbR and PsbY centered around the narrow interface between two dimeric PSII cores, provides the supramolecular structural basis that regulates the plastoquinone occupancy in Q site, excitation energy transfer, and oxygen evolution. PSII-LHCII megacomplexes (types I and II) and LHC aggregation levels in mutant were also interrogated and compared to wild-type plants through EM and picosecond TRF. | |||||||||||||||||||||||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 8z9d.cif.gz | 6.8 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb8z9d.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 8z9d.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/z9/8z9d ftp://data.pdbj.org/pub/pdb/validation_reports/z9/8z9d | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 39860MC M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Assembly
| Deposited unit | ![]()
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Components
-Photosystem II ... , 17 types, 64 molecules AaAAAaTtTtTTUuUuUUWwWwWWXxXxXXZzZzZZ000555Cc...
| #1: Protein | Mass: 38804.152 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P69560, photosystem II#5: Protein/peptide | Mass: 3825.642 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P61840#6: Protein | Mass: 10676.572 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: A0A9R0J8H2#7: Protein | Mass: 14186.097 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: Q41387#8: Protein | Mass: 11958.141 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: A0A9R0JQ89#10: Protein | Mass: 6541.715 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: Q9M3M6#16: Protein | Mass: 14409.401 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P10690#17: Protein | Mass: 20678.209 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P80470#18: Protein | Mass: 51880.559 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P06003#19: Protein | Mass: 39422.016 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P06005, photosystem II#22: Protein | Mass: 7735.004 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P05146#23: Protein/peptide | Mass: 4170.891 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P62103#24: Protein/peptide | Mass: 4117.832 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: Q9M3L2#25: Protein | Mass: 6751.023 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P12163#26: Protein/peptide | Mass: 4498.100 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P60150#27: Protein/peptide | Mass: 3783.538 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P62112#28: Protein | Mass: 56207.852 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P04160 |
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-Oxygen-evolving enhancer protein ... , 3 types, 12 molecules OoOoOOPppPPPQqqQQQ
| #2: Protein | Mass: 35207.383 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P12359#12: Protein | Mass: 28495.918 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P12302#13: Protein | Mass: 24884.426 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P12301 |
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-Chlorophyll a-b binding protein, ... , 5 types, 26 molecules RrRrRRSsSsSSYyGNYgnyGGNNYYGgNn112212333
| #3: Protein | Mass: 31046.254 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: A0A9R0HRF2#4: Protein | Mass: 31341.840 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: A0A9R0IJF3#9: Protein | Mass: 28433.391 Da / Num. of mol.: 12 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: A0A9R0JBE4#14: Protein | Mass: 28429.234 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: A4F3R4#15: Protein | Mass: 28512.396 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Details: NCBI Reference Sequence: XP_021861951.1 / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: A0A9R0J656 |
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-Protein , 1 types, 2 molecules 444
| #11: Protein | Mass: 27693.525 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P36494 |
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-Cytochrome b559 subunit ... , 2 types, 8 molecules EeEEEeFfFFFf
| #20: Protein | Mass: 9393.501 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P69383#21: Protein/peptide | Mass: 4502.351 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Spinacia oleracea (spinach) / References: UniProt: P60128 |
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-Sugars , 2 types, 24 molecules 


| #43: Sugar | ChemComp-LMU / #44: Sugar | ChemComp-DGD / |
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-Non-polymers , 16 types, 757 molecules 






























| #29: Chemical | ChemComp-OEX / #30: Chemical | ChemComp-FE2 / #31: Chemical | ChemComp-CL / #32: Chemical | ChemComp-CLA / #33: Chemical | ChemComp-PHO / #34: Chemical | ChemComp-BCR / #35: Chemical | ChemComp-PL9 / #36: Chemical | ChemComp-LHG / #37: Chemical | ChemComp-SQD / #38: Chemical | ChemComp-LMG / #39: Chemical | ChemComp-CHL / #40: Chemical | ChemComp-LUT / ( #41: Chemical | ChemComp-XAT / ( |
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Spinacia oleracea (spinach)
China, 1items
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