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Open data
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Basic information
Entry | ![]() | |||||||||
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Title | Semi-active PSII dimer from native Peak4 PSII dimers | |||||||||
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![]() | PSII / native intermediate / photodamage / PSII assembly / PHOTOSYNTHESIS | |||||||||
Function / homology | ![]() 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 II / response to herbicide ...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 II / response to herbicide / extrinsic component of membrane / chlorophyll binding / plasma membrane-derived thylakoid membrane / photosynthetic electron transport in photosystem II / phosphate ion binding / photosynthesis, light reaction / : / photosynthesis / respiratory electron transport chain / electron transfer activity / protein stabilization / iron ion binding / heme binding / metal ion binding Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.2 Å | |||||||||
![]() | Zhao Z / Vercellino I / Nixon PJ / Sazanov LA | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Semi-active PSII dimer from the Peak4 PSII dimers Authors: Zhao Z / Vercellino I / Nixon PJ / Sazanov LA | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 96.4 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 56.8 KB 56.8 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 14 KB | Display | ![]() |
Images | ![]() | 43 KB | ||
Filedesc metadata | ![]() | 10.5 KB | ||
Others | ![]() ![]() | 194.9 MB 194.9 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 972.5 KB | Display | ![]() |
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Full document | ![]() | 972.1 KB | Display | |
Data in XML | ![]() | 19.1 KB | Display | |
Data in CIF | ![]() | 24.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 9g6gMC M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||
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Projections & slices | Image control
Images are generated by Spider. generated in cubic-lattice coordinate | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.5 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #2
File | emd_51101_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_51101_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
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Sample components
+Entire : Semi-active PSII dimer with one PSII lacking extrinsic subunits
+Supramolecule #1: Semi-active PSII dimer with one PSII lacking extrinsic subunits
+Macromolecule #1: Photosystem II protein D1 1
+Macromolecule #2: Photosystem II CP47 reaction center protein
+Macromolecule #3: Photosystem II CP43 reaction center protein
+Macromolecule #4: Photosystem II D2 protein
+Macromolecule #5: Cytochrome b559 subunit alpha
+Macromolecule #6: Cytochrome b559 subunit beta
+Macromolecule #7: Photosystem II reaction center protein H
+Macromolecule #8: Photosystem II reaction center protein I
+Macromolecule #9: Photosystem II reaction center protein J
+Macromolecule #10: Photosystem II reaction center protein K
+Macromolecule #11: Photosystem II reaction center protein L
+Macromolecule #12: Photosystem II reaction center protein M
+Macromolecule #13: Photosystem II manganese-stabilizing polypeptide
+Macromolecule #14: Photosystem II reaction center protein T
+Macromolecule #15: Photosystem II 12 kDa extrinsic protein
+Macromolecule #16: Cytochrome c-550
+Macromolecule #17: Photosystem II reaction center X protein
+Macromolecule #18: Photosystem II reaction center protein Ycf12
+Macromolecule #19: Photosystem II reaction center protein Z
+Macromolecule #20: Photosystem II protein D1 1
+Macromolecule #21: FE (II) ION
+Macromolecule #22: CHLORIDE ION
+Macromolecule #23: CHLOROPHYLL A
+Macromolecule #24: PHEOPHYTIN A
+Macromolecule #25: BETA-CAROTENE
+Macromolecule #26: 2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,...
+Macromolecule #27: 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL
+Macromolecule #28: EICOSANE
+Macromolecule #29: CA-MN4-O5 CLUSTER
+Macromolecule #30: DODECYL-BETA-D-MALTOSIDE
+Macromolecule #31: BICARBONATE ION
+Macromolecule #32: PALMITIC ACID
+Macromolecule #33: 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
+Macromolecule #34: GLYCEROL
+Macromolecule #35: DIGALACTOSYL DIACYL GLYCEROL (DGDG)
+Macromolecule #36: 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE
+Macromolecule #37: PROTOPORPHYRIN IX CONTAINING FE
+Macromolecule #38: (3R)-beta,beta-caroten-3-ol
+Macromolecule #39: CALCIUM ION
+Macromolecule #40: water
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 0.3 mg/mL |
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Buffer | pH: 6.5 Details: 20 mM MES pH 6.5, 2.5 mM MgCl2, 2.5 mM CaCl2, 7 mM MgSO4, 0.03% DDM, 0.05% CHAPS |
Grid | Model: Quantifoil R0.6/1 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 5 sec. Details: The grids were glow-discharged for 5 sec at 25 mA before freezing. |
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.15 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | TFS KRIOS |
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Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Number grids imaged: 1 / Number real images: 9173 / Average electron dose: 80.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.6 µm / Nominal magnification: 81000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
Initial model |
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Refinement | Space: REAL / Protocol: FLEXIBLE FIT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Output model | ![]() PDB-9g6g: |