+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-30821 | |||||||||
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Title | Structure of Wild-type PSI monomer2 from Cyanophora paradoxa | |||||||||
Map data | ||||||||||
Sample |
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Keywords | Photosystem I / ELECTRON TRANSPORT / PHOTOSYNTHESIS | |||||||||
Function / homology | Function and homology information cyanelle thylakoid membrane / thylakoid membrane / photosystem I reaction center / photosystem I / photosynthetic electron transport in photosystem I / photosystem I / plastid / chlorophyll binding / photosynthesis / 4 iron, 4 sulfur cluster binding ...cyanelle thylakoid membrane / thylakoid membrane / photosystem I reaction center / photosystem I / photosynthetic electron transport in photosystem I / photosystem I / plastid / chlorophyll binding / photosynthesis / 4 iron, 4 sulfur cluster binding / electron transfer activity / oxidoreductase activity / magnesium ion binding / metal ion binding Similarity search - Function | |||||||||
Biological species | Cyanophora paradoxa (eukaryote) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.2 Å | |||||||||
Authors | Kato K / Nagao R | |||||||||
Citation | Journal: Biorxiv / Year: 2022 Title: Structural insights into an evolutionary turning-point of photosystem I from prokaryotes to eukaryotes Authors: Kato K / Nagao R / Ueno Y / Yokono M / Suzuki T / Jiang TY / Dohmae N / Akita F / Akimoto S / Miyazaki N / Shen JR | |||||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | EM map: SurfViewMolmilJmol/JSmol |
Supplemental images |
-Downloads & links
-EMDB archive
Map data | emd_30821.map.gz | 28.4 MB | EMDB map data format | |
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Header (meta data) | emd-30821-v30.xml emd-30821.xml | 23.7 KB 23.7 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_30821_fsc.xml | 14.2 KB | Display | FSC data file |
Images | emd_30821.png | 45.3 KB | ||
Filedesc metadata | emd-30821.cif.gz | 7.4 KB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-30821 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-30821 | HTTPS FTP |
-Validation report
Summary document | emd_30821_validation.pdf.gz | 411.1 KB | Display | EMDB validaton report |
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Full document | emd_30821_full_validation.pdf.gz | 410.6 KB | Display | |
Data in XML | emd_30821_validation.xml.gz | 13.9 KB | Display | |
Data in CIF | emd_30821_validation.cif.gz | 19 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-30821 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-30821 | HTTPS FTP |
-Related structure data
Related structure data | 7dr1MC 7dr0C 7dr2C M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_30821.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.093 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Sample components
+Entire : PSI monomer2
+Supramolecule #1: PSI monomer2
+Macromolecule #1: Photosystem I P700 chlorophyll a apoprotein A1
+Macromolecule #2: Photosystem I P700 chlorophyll a apoprotein A2
+Macromolecule #3: Photosystem I iron-sulfur center
+Macromolecule #4: Photosystem I reaction center subunit II, cyanelle
+Macromolecule #5: Photosystem I reaction center subunit IV
+Macromolecule #6: Photosystem I reaction center subunit III
+Macromolecule #7: Photosystem I reaction center subunit VIII
+Macromolecule #8: Photosystem I reaction center subunit IX
+Macromolecule #9: Photosystem I reaction center subunit XI
+Macromolecule #10: Photosystem I reaction center subunit XII
+Macromolecule #11: CHLOROPHYLL A ISOMER
+Macromolecule #12: CHLOROPHYLL A
+Macromolecule #13: PHYLLOQUINONE
+Macromolecule #14: IRON/SULFUR CLUSTER
+Macromolecule #15: BETA-CAROTENE
+Macromolecule #16: 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE
+Macromolecule #17: 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Concentration | 0.007 mg/mL | ||||||
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Buffer | pH: 6.5 / Component:
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Grid | Model: Quantifoil R2/1 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY ARRAY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 30 sec. | ||||||
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV |
-Electron microscopy
Microscope | FEI TALOS ARCTICA |
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Image recording | Film or detector model: FEI FALCON III (4k x 4k) / Average electron dose: 50.0 e/Å2 |
Electron beam | Acceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
Experimental equipment | Model: Talos Arctica / Image courtesy: FEI Company |
+Image processing
-Atomic model buiding 1
Refinement | Space: REAL / Protocol: FLEXIBLE FIT / Target criteria: Correlation coefficient |
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Output model | PDB-7dr1: |