+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-15773 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Title | Cryo-EM structure of the plant 60S subunit | |||||||||
Map data | The large subunit of the tobacco ribosome from cytosol | |||||||||
Sample |
| |||||||||
Keywords | Plant / 80S / rRNA Modifications / ribosome | |||||||||
Function / homology | Function and homology information protein-RNA complex assembly / maturation of LSU-rRNA / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosomal large subunit biogenesis / ribosome biogenesis / 5S rRNA binding / large ribosomal subunit rRNA binding / ribosomal large subunit assembly / cytoplasmic translation / cytosolic large ribosomal subunit ...protein-RNA complex assembly / maturation of LSU-rRNA / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosomal large subunit biogenesis / ribosome biogenesis / 5S rRNA binding / large ribosomal subunit rRNA binding / ribosomal large subunit assembly / cytoplasmic translation / cytosolic large ribosomal subunit / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / mRNA binding / RNA binding / metal ion binding Similarity search - Function | |||||||||
Biological species | Nicotiana tabacum (common tobacco) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.14 Å | |||||||||
Authors | Smirnova J / Loerke J / Kleinau G / Schmidt A / Buerger J / Meyer EH / Mielke T / Scheerer P / Bock R / Spahn CMT / Zoschke R | |||||||||
Funding support | Germany, 1 items
| |||||||||
Citation | Journal: Nat Plants / Year: 2023 Title: Structure of the actively translating plant 80S ribosome at 2.2 Å resolution. Authors: Julia Smirnova / Justus Loerke / Gunnar Kleinau / Andrea Schmidt / Jörg Bürger / Etienne H Meyer / Thorsten Mielke / Patrick Scheerer / Ralph Bock / Christian M T Spahn / Reimo Zoschke / Abstract: In plant cells, translation occurs in three compartments: the cytosol, the plastids and the mitochondria. While the structures of the (prokaryotic-type) ribosomes in plastids and mitochondria are ...In plant cells, translation occurs in three compartments: the cytosol, the plastids and the mitochondria. While the structures of the (prokaryotic-type) ribosomes in plastids and mitochondria are well characterized, high-resolution structures of the eukaryotic 80S ribosomes in the cytosol have been lacking. Here the structure of translating tobacco (Nicotiana tabacum) 80S ribosomes was solved by cryo-electron microscopy with a global resolution of 2.2 Å. The ribosome structure includes two tRNAs, decoded mRNA and the nascent peptide chain, thus providing insights into the molecular underpinnings of the cytosolic translation process in plants. The map displays conserved and plant-specific rRNA modifications and the positions of numerous ionic cofactors, and it uncovers the role of monovalent ions in the decoding centre. The model of the plant 80S ribosome enables broad phylogenetic comparisons that reveal commonalities and differences in the ribosomes of plants and those of other eukaryotes, thus putting our knowledge about eukaryotic translation on a firmer footing. | |||||||||
History |
|
-Structure visualization
Supplemental images |
---|
-Downloads & links
-EMDB archive
Map data | emd_15773.map.gz | 24.5 MB | EMDB map data format | |
---|---|---|---|---|
Header (meta data) | emd-15773-v30.xml emd-15773.xml | 63.1 KB 63.1 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_15773_fsc.xml | 14.8 KB | Display | FSC data file |
Images | emd_15773.png | 111.5 KB | ||
Masks | emd_15773_msk_1.map | 347.6 MB | Mask map | |
Filedesc metadata | emd-15773.cif.gz | 14.1 KB | ||
Others | emd_15773_half_map_1.map.gz emd_15773_half_map_2.map.gz | 323.1 MB 323.1 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-15773 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-15773 | HTTPS FTP |
-Validation report
Summary document | emd_15773_validation.pdf.gz | 974.4 KB | Display | EMDB validaton report |
---|---|---|---|---|
Full document | emd_15773_full_validation.pdf.gz | 974 KB | Display | |
Data in XML | emd_15773_validation.xml.gz | 24.2 KB | Display | |
Data in CIF | emd_15773_validation.cif.gz | 31.4 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-15773 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-15773 | HTTPS FTP |
-Related structure data
Related structure data | 8azwMC 8auvC 8b2lC M: atomic model generated by this map C: citing same article (ref.) |
---|---|
Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
---|---|
Related items in Molecule of the Month |
-Map
File | Download / File: emd_15773.map.gz / Format: CCP4 / Size: 347.6 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Annotation | The large subunit of the tobacco ribosome from cytosol | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.848 Å | ||||||||||||||||||||||||||||||||||||
Density |
| ||||||||||||||||||||||||||||||||||||
Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
|
-Supplemental data
-Mask #1
File | emd_15773_msk_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & Slices |
| ||||||||||||
Density Histograms |
-Half map: Half-map A of the tobacco ribosome after local refinement...
File | emd_15773_half_map_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Annotation | Half-map_A of the tobacco ribosome after local refinement of the large subunit (60S) | ||||||||||||
Projections & Slices |
| ||||||||||||
Density Histograms |
-Half map: Half-map B of the tobacco ribosome after local refinement...
File | emd_15773_half_map_2.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Annotation | Half-map_B of the tobacco ribosome after local refinement of the large subunit (60S) | ||||||||||||
Projections & Slices |
| ||||||||||||
Density Histograms |
-Sample components
+Entire : 40S subunit of the cytosolic 80S ribosome from tobacco
+Supramolecule #1: 40S subunit of the cytosolic 80S ribosome from tobacco
+Macromolecule #1: 5S rRNA
+Macromolecule #45: 25S rRNA
+Macromolecule #46: 5.8S rRNA
+Macromolecule #2: eL13 (60S ribosomal protein L13)
+Macromolecule #3: eL14 (60S ribosomal protein L14)
+Macromolecule #4: eL15 (60S ribosomal protein L15)
+Macromolecule #5: eL18 (60S ribosomal protein L18)
+Macromolecule #6: eL19 (60S ribosomal protein L19)
+Macromolecule #7: eL20 (60S ribosomal protein L18a)
+Macromolecule #8: eL21 (60S ribosomal protein L21)
+Macromolecule #9: eL22 (60S ribosomal protein L22)
+Macromolecule #10: eL24 (60S ribosomal protein L24)
+Macromolecule #11: eL27 (60S ribosomal protein L27)
+Macromolecule #12: eL28 (60S ribosomal protein L28)
+Macromolecule #13: eL29 (60S ribosomal protein L29)
+Macromolecule #14: eL30 (60S ribosomal protein L30)
+Macromolecule #15: eL31 (60S ribosomal protein L31)
+Macromolecule #16: eL32 (60S ribosomal protein L32)
+Macromolecule #17: eL33 (60S ribosomal protein L35a)
+Macromolecule #18: eL34 (60S ribosomal protein L34)
+Macromolecule #19: eL36 (60S ribosomal protein L36)
+Macromolecule #20: eL37 (60S ribosomal protein L37)
+Macromolecule #21: eL38 (60S ribosomal protein L38)
+Macromolecule #22: eL39 (60S ribosomal protein L39)
+Macromolecule #23: eL40 (60S ribosomal protein L40)
+Macromolecule #24: eL41 (60S ribosomal protein L41)
+Macromolecule #25: eL42 (60S ribosomal protein L42)
+Macromolecule #26: eL43 (60S ribosomal protein L37a)
+Macromolecule #27: eL6 (60S ribosomal protein L6)
+Macromolecule #28: eL8 (60S ribosomal protein L7a)
+Macromolecule #29: uL13 (60S ribosomal protein L13a)
+Macromolecule #30: uL14 (60S ribosomal protein L23)
+Macromolecule #31: uL15 (60S ribosomal protein L27a)
+Macromolecule #32: uL16 (60S ribosomal protein L10)
+Macromolecule #33: uL18 (60S ribosomal protein L5)
+Macromolecule #34: uL22 (60S ribosomal protein L17)
+Macromolecule #35: uL23 (60S ribosomal protein L23a)
+Macromolecule #36: uL24 (60S ribosomal protein L26)
+Macromolecule #37: uL29 (60S ribosomal protein L35)
+Macromolecule #38: uL2 (60S ribosomal protein L8)
+Macromolecule #39: uL30 (60S ribosomal protein L7)
+Macromolecule #40: uL3 (60S ribosomal protein L3)
+Macromolecule #41: uL4 (60S ribosomal protein L4)
+Macromolecule #42: uL5 (60S ribosomal protein L11)
+Macromolecule #43: uL6 (60S ribosomal protein L9)
+Macromolecule #44: nascent chain
+Macromolecule #47: MAGNESIUM ION
+Macromolecule #48: POTASSIUM ION
+Macromolecule #49: ZINC ION
+Macromolecule #50: SPERMIDINE
+Macromolecule #51: SPERMINE
+Macromolecule #52: water
-Experimental details
-Structure determination
Method | cryo EM |
---|---|
Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 8 |
---|---|
Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
---|---|
Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 27.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: OTHER / Imaging mode: OTHER / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.0 µm |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |