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Yorodumi- PDB-4v6i: Localization of the small subunit ribosomal proteins into a 6.1 A... -
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Basic information
| Entry | Database: PDB / ID: 4v6i | |||||||||
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| Title | Localization of the small subunit ribosomal proteins into a 6.1 A cryo-EM map of Saccharomyces cerevisiae translating 80S ribosome | |||||||||
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Keywords | RIBOSOME / eukaryotic ribosome / homology modeling / de novo modeling / ribosomal proteins / novel ribosomal proteins | |||||||||
| Function / homology | Function and homology information: / cytoplasmic translational elongation / ribophagy / regulation of amino acid metabolic process / negative regulation of glucose mediated signaling pathway / positive regulation of translational fidelity / RMTs methylate histone arginines / Protein methylation / response to cycloheximide / translational readthrough ...: / cytoplasmic translational elongation / ribophagy / regulation of amino acid metabolic process / negative regulation of glucose mediated signaling pathway / positive regulation of translational fidelity / RMTs methylate histone arginines / Protein methylation / response to cycloheximide / translational readthrough / Protein hydroxylation / pre-mRNA 5'-splice site binding / GDP-dissociation inhibitor activity / Ribosome Quality Control (RQC) complex extracts and degrades nascent peptide / ascospore wall assembly / Formation of the ternary complex, and subsequently, the 43S complex / Translation initiation complex formation / cytosolic large ribosomal subunit assembly / Ribosomal scanning and start codon recognition / nonfunctional rRNA decay / positive regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / preribosome, small subunit precursor / mRNA destabilization / Major pathway of rRNA processing in the nucleolus and cytosol / PELO:HBS1L and ABCE1 dissociate a ribosome on a non-stop mRNA / SRP-dependent cotranslational protein targeting to membrane / GTP hydrolysis and joining of the 60S ribosomal subunit / protein-RNA complex assembly / Formation of a pool of free 40S subunits / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / preribosome, large subunit precursor / L13a-mediated translational silencing of Ceruloplasmin expression / negative regulation of mRNA splicing, via spliceosome / negative regulation of translational frameshifting / ribosomal large subunit export from nucleus / translational elongation / protein kinase activator activity / G-protein alpha-subunit binding / ribonucleoprotein complex binding / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / 90S preribosome / ribosomal subunit export from nucleus / translational termination / cleavage in ITS2 between 5.8S rRNA and LSU-rRNA of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / regulation of translational fidelity / ribosome-associated ubiquitin-dependent protein catabolic process / maturation of LSU-rRNA / 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) / translation regulator activity / DNA-(apurinic or apyrimidinic site) endonuclease activity / ribosomal small subunit export from nucleus / protein kinase C binding / macroautophagy / rescue of stalled cytosolic ribosome / ribosomal large subunit biogenesis / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of SSU-rRNA / small-subunit processome / translational initiation / maintenance of translational fidelity / modification-dependent protein catabolic process / cytoplasmic stress granule / protein tag activity / rRNA processing / cytosolic ribosome / large ribosomal subunit / ribosomal small subunit assembly / ribosome biogenesis / ribosome binding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / 5S rRNA binding / ribosomal large subunit assembly / small ribosomal subunit / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / rRNA binding / negative regulation of translation / protein ubiquitination / ribosome / translation / structural constituent of ribosome / response to antibiotic / G protein-coupled receptor signaling pathway / negative regulation of gene expression / mRNA binding / nucleolus / mitochondrion / RNA binding / metal ion binding / zinc ion binding / nucleoplasm / nucleus / cytosol / cytoplasm Similarity search - Function | |||||||||
| Biological species | ![]() | |||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 8.8 Å | |||||||||
Authors | Armache, J.-P. / Jarasch, A. / Anger, A.M. / Villa, E. / Becker, T. / Bhushan, S. / Jossinet, F. / Habeck, M. / Dindar, G. / Franckenberg, S. ...Armache, J.-P. / Jarasch, A. / Anger, A.M. / Villa, E. / Becker, T. / Bhushan, S. / Jossinet, F. / Habeck, M. / Dindar, G. / Franckenberg, S. / Marquez, V. / Mielke, T. / Thomm, M. / Berninghausen, O. / Beatrix, B. / Soeding, J. / Westhof, E. / Wilson, D.N. / Beckmann, R. | |||||||||
Citation | Journal: Proc Natl Acad Sci U S A / Year: 2010Title: Cryo-EM structure and rRNA model of a translating eukaryotic 80S ribosome at 5.5-A resolution. Authors: Jean-Paul Armache / Alexander Jarasch / Andreas M Anger / Elizabeth Villa / Thomas Becker / Shashi Bhushan / Fabrice Jossinet / Michael Habeck / Gülcin Dindar / Sibylle Franckenberg / Viter ...Authors: Jean-Paul Armache / Alexander Jarasch / Andreas M Anger / Elizabeth Villa / Thomas Becker / Shashi Bhushan / Fabrice Jossinet / Michael Habeck / Gülcin Dindar / Sibylle Franckenberg / Viter Marquez / Thorsten Mielke / Michael Thomm / Otto Berninghausen / Birgitta Beatrix / Johannes Söding / Eric Westhof / Daniel N Wilson / Roland Beckmann / ![]() Abstract: Protein biosynthesis, the translation of the genetic code into polypeptides, occurs on ribonucleoprotein particles called ribosomes. Although X-ray structures of bacterial ribosomes are available, ...Protein biosynthesis, the translation of the genetic code into polypeptides, occurs on ribonucleoprotein particles called ribosomes. Although X-ray structures of bacterial ribosomes are available, high-resolution structures of eukaryotic 80S ribosomes are lacking. Using cryoelectron microscopy and single-particle reconstruction, we have determined the structure of a translating plant (Triticum aestivum) 80S ribosome at 5.5-Å resolution. This map, together with a 6.1-Å map of a Saccharomyces cerevisiae 80S ribosome, has enabled us to model ∼98% of the rRNA. Accurate assignment of the rRNA expansion segments (ES) and variable regions has revealed unique ES-ES and r-protein-ES interactions, providing insight into the structure and evolution of the eukaryotic ribosome. #1: Journal: Proc Natl Acad Sci U S A / Year: 2010Title: Localization of eukaryote-specific ribosomal proteins in a 5.5-Å cryo-EM map of the 80S eukaryotic ribosome. Authors: Jean-Paul Armache / Alexander Jarasch / Andreas M Anger / Elizabeth Villa / Thomas Becker / Shashi Bhushan / Fabrice Jossinet / Michael Habeck / Gülcin Dindar / Sibylle Franckenberg / Viter ...Authors: Jean-Paul Armache / Alexander Jarasch / Andreas M Anger / Elizabeth Villa / Thomas Becker / Shashi Bhushan / Fabrice Jossinet / Michael Habeck / Gülcin Dindar / Sibylle Franckenberg / Viter Marquez / Thorsten Mielke / Michael Thomm / Otto Berninghausen / Birgitta Beatrix / Johannes Söding / Eric Westhof / Daniel N Wilson / Roland Beckmann / ![]() Abstract: Protein synthesis in all living organisms occurs on ribonucleoprotein particles, called ribosomes. Despite the universality of this process, eukaryotic ribosomes are significantly larger in size than ...Protein synthesis in all living organisms occurs on ribonucleoprotein particles, called ribosomes. Despite the universality of this process, eukaryotic ribosomes are significantly larger in size than their bacterial counterparts due in part to the presence of 80 r proteins rather than 54 in bacteria. Using cryoelectron microscopy reconstructions of a translating plant (Triticum aestivum) 80S ribosome at 5.5-Å resolution, together with a 6.1-Å map of a translating Saccharomyces cerevisiae 80S ribosome, we have localized and modeled 74/80 (92.5%) of the ribosomal proteins, encompassing 12 archaeal/eukaryote-specific small subunit proteins as well as the complete complement of the ribosomal proteins of the eukaryotic large subunit. Near-complete atomic models of the 80S ribosome provide insights into the structure, function, and evolution of the eukaryotic translational apparatus. | |||||||||
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Structure visualization
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| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 4v6i.cif.gz | 4.5 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb4v6i.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 4v6i.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/v6/4v6i ftp://data.pdbj.org/pub/pdb/validation_reports/v6/4v6i | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 1669M ![]() 3izdC ![]() 3iz5 ![]() 3iz6 ![]() 3iz7 ![]() 3iz9 C: citing same article ( M: map data used to model this data |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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Components
+40S ribosomal protein ... , 27 types, 27 molecules AaAAABADACAEAGAFAHAIAJAKALAMANAOAQAPARASATAVAWAXAYAZAU
-Unknown 40S ribosomal protein ... , 2 types, 2 molecules AbAc
| #27: Protein/peptide | Mass: 3166.895 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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| #28: Protein/peptide | Mass: 2230.741 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
+60S ribosomal protein ... , 43 types, 43 molecules BABBBCBDBEBGBFBHBJBKBNBMBPBOBRBTBUBWBVBXBZBYBaBdBcBfBeBgBhBi...
-60S acidic ribosomal protein ... , 3 types, 5 molecules BsBtBuBvBw
| #38: Protein | Mass: 33749.121 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||
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| #72: Protein | Mass: 10928.809 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() #73: Protein | Mass: 10752.715 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() |
-Protein/peptide , 2 types, 3 molecules BxByBz
| #70: Protein/peptide | Mass: 1805.216 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() #71: Protein/peptide | | Mass: 1294.587 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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-RNA chain , 6 types, 6 molecules CACBCCDADBDC
| #78: RNA chain | Mass: 579761.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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| #79: RNA chain | Mass: 24135.262 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #80: RNA chain | Mass: 3498.178 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #81: RNA chain | Mass: 1097493.875 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #82: RNA chain | Mass: 50682.922 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #83: RNA chain | Mass: 37947.492 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
| Component | Name: Saccharomyces cerevisiae translating 80S ribosome / Type: RIBOSOME |
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| Buffer solution | pH: 7.5 |
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Vitrification | Instrument: FEI VITROBOT MARK I / Cryogen name: ETHANE |
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Electron microscopy imaging
| Experimental equipment | ![]() Model: Tecnai Polara / Image courtesy: FEI Company |
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| Microscopy | Model: FEI POLARA 300 |
| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 39000 X / Nominal defocus max: 4500 nm / Nominal defocus min: 1200 nm |
| Image recording | Electron dose: 25 e/Å2 / Film or detector model: KODAK SO-163 FILM |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Relative weight: 1 |
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Processing
| Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||
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| 3D reconstruction | Resolution: 8.8 Å / Num. of particles: 20400 / Symmetry type: POINT | ||||||||||||
| Refinement step | Cycle: LAST
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