+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-11457 | ||||||||||||
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Title | Mbf1-ribosome complex | ||||||||||||
Map data | Map of Mbf1 bound to 80S ribosomes, (local resolution filtered). | ||||||||||||
Sample |
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Keywords | translation / frameshifting / collision / RIBOSOME | ||||||||||||
Function / homology | Function and homology information maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, LSU-rRNA,5S) / ribosomal subunit / negative regulation of glucose mediated signaling pathway / negative regulation of translational frameshifting / Negative regulators of DDX58/IFIH1 signaling / RMTs methylate histone arginines / positive regulation of translational fidelity / Protein methylation / mTORC1-mediated signalling / Protein hydroxylation ...maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, LSU-rRNA,5S) / ribosomal subunit / negative regulation of glucose mediated signaling pathway / negative regulation of translational frameshifting / Negative regulators of DDX58/IFIH1 signaling / RMTs methylate histone arginines / positive regulation of translational fidelity / Protein methylation / mTORC1-mediated signalling / Protein hydroxylation / ribosome-associated ubiquitin-dependent protein catabolic process / GDP-dissociation inhibitor activity / positive regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / nonfunctional rRNA decay / preribosome, small subunit precursor / Formation of the ternary complex, and subsequently, the 43S complex / Translation initiation complex formation / Ribosomal scanning and start codon recognition / Major pathway of rRNA processing in the nucleolus and cytosol / mRNA destabilization / SRP-dependent cotranslational protein targeting to membrane / GTP hydrolysis and joining of the 60S ribosomal subunit / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Formation of a pool of free 40S subunits / regulation of amino acid metabolic process / L13a-mediated translational silencing of Ceruloplasmin expression / 90S preribosome / G-protein alpha-subunit binding / positive regulation of protein kinase activity / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / regulation of translational fidelity / Ub-specific processing proteases / ribosomal subunit export from nucleus / ribosomal small subunit export from nucleus / translation regulator activity / endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / DNA-(apurinic or apyrimidinic site) endonuclease activity / cellular response to amino acid starvation / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosome assembly / rescue of stalled ribosome / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of SSU-rRNA / small-subunit processome / translational initiation / protein kinase C binding / positive regulation of apoptotic signaling pathway / maintenance of translational fidelity / modification-dependent protein catabolic process / cytoplasmic stress granule / protein tag activity / rRNA processing / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / ribosome biogenesis / ribosome binding / ribosomal small subunit assembly / small ribosomal subunit / cytosolic small ribosomal subunit / cytoplasmic translation / transcription coactivator activity / negative regulation of translation / rRNA binding / ribosome / protein ubiquitination / structural constituent of ribosome / positive regulation of protein phosphorylation / G protein-coupled receptor signaling pathway / translation / negative regulation of gene expression / mRNA binding / ubiquitin protein ligase binding / nucleolus / positive regulation of transcription by RNA polymerase II / mitochondrion / DNA binding / RNA binding / zinc ion binding / nucleoplasm / nucleus / metal ion binding / cytosol / cytoplasm Similarity search - Function | ||||||||||||
Biological species | Saccharomyces cerevisiae (brewer's yeast) | ||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.0 Å | ||||||||||||
Authors | Best KM / Denk T | ||||||||||||
Funding support | Germany, United States, 3 items
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Citation | Journal: Elife / Year: 2020 Title: EDF1 coordinates cellular responses to ribosome collisions. Authors: Niladri K Sinha / Alban Ordureau / Katharina Best / James A Saba / Boris Zinshteyn / Elayanambi Sundaramoorthy / Amit Fulzele / Danielle M Garshott / Timo Denk / Matthias Thoms / Joao A ...Authors: Niladri K Sinha / Alban Ordureau / Katharina Best / James A Saba / Boris Zinshteyn / Elayanambi Sundaramoorthy / Amit Fulzele / Danielle M Garshott / Timo Denk / Matthias Thoms / Joao A Paulo / J Wade Harper / Eric J Bennett / Roland Beckmann / Rachel Green / Abstract: Translation of aberrant mRNAs induces ribosomal collisions, thereby triggering pathways for mRNA and nascent peptide degradation and ribosomal rescue. Here we use sucrose gradient fractionation ...Translation of aberrant mRNAs induces ribosomal collisions, thereby triggering pathways for mRNA and nascent peptide degradation and ribosomal rescue. Here we use sucrose gradient fractionation combined with quantitative proteomics to systematically identify proteins associated with collided ribosomes. This approach identified Endothelial differentiation-related factor 1 (EDF1) as a novel protein recruited to collided ribosomes during translational distress. Cryo-electron microscopic analyses of EDF1 and its yeast homolog Mbf1 revealed a conserved 40S ribosomal subunit binding site at the mRNA entry channel near the collision interface. EDF1 recruits the translational repressors GIGYF2 and EIF4E2 to collided ribosomes to initiate a negative-feedback loop that prevents new ribosomes from translating defective mRNAs. Further, EDF1 regulates an immediate-early transcriptional response to ribosomal collisions. Our results uncover mechanisms through which EDF1 coordinates multiple responses of the ribosome-mediated quality control pathway and provide novel insights into the intersection of ribosome-mediated quality control with global transcriptional regulation. | ||||||||||||
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_11457.map.gz | 141.3 MB | EMDB map data format | |
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Header (meta data) | emd-11457-v30.xml emd-11457.xml | 53.5 KB 53.5 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_11457_fsc.xml | 14.1 KB | Display | FSC data file |
Images | emd_11457.png | 198.5 KB | ||
Masks | emd_11457_msk_1.map | 244.1 MB | Mask map | |
Filedesc metadata | emd-11457.cif.gz | 10.8 KB | ||
Others | emd_11457_additional.map.gz emd_11457_half_map_1.map.gz emd_11457_half_map_2.map.gz | 18.2 MB 193.8 MB 193.7 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-11457 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-11457 | HTTPS FTP |
-Validation report
Summary document | emd_11457_validation.pdf.gz | 966.9 KB | Display | EMDB validaton report |
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Full document | emd_11457_full_validation.pdf.gz | 966.4 KB | Display | |
Data in XML | emd_11457_validation.xml.gz | 22 KB | Display | |
Data in CIF | emd_11457_validation.cif.gz | 29 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-11457 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-11457 | HTTPS FTP |
-Related structure data
Related structure data | 6zviMC 6zvhC 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_11457.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Annotation | Map of Mbf1 bound to 80S ribosomes, (local resolution filtered). | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.059 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Mask #1
File | emd_11457_msk_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Additional map: Post processed map, bFactor -30
File | emd_11457_additional.map | ||||||||||||
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Annotation | Post processed map, bFactor -30 | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half map 1 of the 3D refinement
File | emd_11457_half_map_1.map | ||||||||||||
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Annotation | Half map 1 of the 3D refinement | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half map 2 of the 3D refinement
File | emd_11457_half_map_2.map | ||||||||||||
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Annotation | Half map 2 of the 3D refinement | ||||||||||||
Projections & Slices |
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Density Histograms |
-Sample components
+Entire : Mbf1-ribosome complex
+Supramolecule #1: Mbf1-ribosome complex
+Macromolecule #1: A/P-site tRNA
+Macromolecule #2: P/E-site tRNA
+Macromolecule #3: mRNA
+Macromolecule #4: 18S rRNA
+Macromolecule #5: 40S ribosomal protein S0-A
+Macromolecule #6: RPS1A isoform 1
+Macromolecule #7: RPS2 isoform 1
+Macromolecule #8: RPS3 isoform 1
+Macromolecule #9: 40S ribosomal protein S4-A
+Macromolecule #10: Rps5p
+Macromolecule #11: 40S ribosomal protein S6-A
+Macromolecule #12: 40S ribosomal protein S7-A
+Macromolecule #13: 40S ribosomal protein S8-A
+Macromolecule #14: 40S ribosomal protein S9-A
+Macromolecule #15: 40S ribosomal protein S10-A
+Macromolecule #16: 40S ribosomal protein S11-A
+Macromolecule #17: RPS12 isoform 1
+Macromolecule #18: 40S ribosomal protein S13
+Macromolecule #19: RPS15 isoform 1
+Macromolecule #20: 40S ribosomal protein S16-A
+Macromolecule #21: 40S ribosomal protein S17-A
+Macromolecule #22: 40S ribosomal protein S18-A
+Macromolecule #23: 40S ribosomal protein S19-A
+Macromolecule #24: RPS20 isoform 1
+Macromolecule #25: 40S ribosomal protein S21-A
+Macromolecule #26: RPS22A isoform 1
+Macromolecule #27: 40S ribosomal protein S23-A
+Macromolecule #28: 40S ribosomal protein S24-A
+Macromolecule #29: RPS25A isoform 1
+Macromolecule #30: 40S ribosomal protein S27-A
+Macromolecule #31: RPS28A isoform 1
+Macromolecule #32: 40S ribosomal protein S30-A
+Macromolecule #33: RPS31 isoform 1
+Macromolecule #34: Guanine nucleotide-binding protein subunit beta-like protein
+Macromolecule #35: MBF1 isoform 1
+Macromolecule #36: RPS29A isoform 1
+Macromolecule #37: 40S ribosomal protein S14-B
+Macromolecule #38: RPS26B isoform 1
+Macromolecule #39: ZINC ION
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 7.5 |
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Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 28.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: OTHER / Imaging mode: BRIGHT FIELD |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |