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Yorodumi- PDB-6z6j: Cryo-EM structure of yeast Lso2 bound to 80S ribosomes under nati... -
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Basic information
| Entry | Database: PDB / ID: 6z6j | ||||||
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| Title | Cryo-EM structure of yeast Lso2 bound to 80S ribosomes under native condition | ||||||
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Keywords | RIBOSOME / hibernation | ||||||
| Function / homology | Function and homology informationcytoplasmic translational elongation / ribosome hibernation / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, LSU-rRNA,5S) / cellular response to nutrient / regulation of amino acid metabolic process / negative regulation of glucose mediated signaling pathway / positive regulation of translational fidelity / RMTs methylate histone arginines / Protein methylation / translational readthrough ...cytoplasmic translational elongation / ribosome hibernation / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, LSU-rRNA,5S) / cellular response to nutrient / regulation of amino acid metabolic process / negative regulation of glucose mediated signaling pathway / positive regulation of translational fidelity / RMTs methylate histone arginines / Protein methylation / translational readthrough / mTORC1-mediated signalling / 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 / Ribosomal scanning and start codon recognition / nonfunctional rRNA decay / cytosolic large ribosomal subunit assembly / 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 / 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 / positive regulation of protein kinase activity / 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 / G-protein alpha-subunit 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 / translation repressor activity / cellular response to amino acid starvation / protein kinase C binding / macroautophagy / rescue of stalled cytosolic ribosome / ribosome assembly / 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 / ribosome biogenesis / cytoplasmic stress granule / protein tag activity / rRNA processing / cytosolic ribosome / ribosomal small subunit assembly / 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 / intracellular iron ion homeostasis / cytoplasmic translation / rRNA binding / negative regulation of translation / protein ubiquitination / structural constituent of ribosome / ribosome / translation / G protein-coupled receptor signaling pathway / negative regulation of gene expression / mRNA binding / nucleolus / mitochondrion / RNA binding / zinc ion binding / nucleoplasm / nucleus / cytosol / cytoplasm Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å | ||||||
Authors | Wells, J.N. / Buschauer, R. / Mackens-Kiani, T. / Best, K. / Kratzat, H. / Berninghausen, O. / Becker, T. / Cheng, J. / Beckmann, R. | ||||||
Citation | Journal: PLoS Biol / Year: 2020Title: Structure and function of yeast Lso2 and human CCDC124 bound to hibernating ribosomes. Authors: Jennifer N Wells / Robert Buschauer / Timur Mackens-Kiani / Katharina Best / Hanna Kratzat / Otto Berninghausen / Thomas Becker / Wendy Gilbert / Jingdong Cheng / Roland Beckmann / ![]() Abstract: Cells adjust to nutrient deprivation by reversible translational shutdown. This is accompanied by maintaining inactive ribosomes in a hibernation state, in which they are bound by proteins with ...Cells adjust to nutrient deprivation by reversible translational shutdown. This is accompanied by maintaining inactive ribosomes in a hibernation state, in which they are bound by proteins with inhibitory and protective functions. In eukaryotes, such a function was attributed to suppressor of target of Myb protein 1 (Stm1; SERPINE1 mRNA-binding protein 1 [SERBP1] in mammals), and recently, late-annotated short open reading frame 2 (Lso2; coiled-coil domain containing short open reading frame 124 [CCDC124] in mammals) was found to be involved in translational recovery after starvation from stationary phase. Here, we present cryo-electron microscopy (cryo-EM) structures of translationally inactive yeast and human ribosomes. We found Lso2/CCDC124 accumulating on idle ribosomes in the nonrotated state, in contrast to Stm1/SERBP1-bound ribosomes, which display a rotated state. Lso2/CCDC124 bridges the decoding sites of the small with the GTPase activating center (GAC) of the large subunit. This position allows accommodation of the duplication of multilocus region 34 protein (Dom34)-dependent ribosome recycling system, which splits Lso2-containing, but not Stm1-containing, ribosomes. We propose a model in which Lso2 facilitates rapid translation reactivation by stabilizing the recycling-competent state of inactive ribosomes. | ||||||
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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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| PDBx/mmCIF format | 6z6j.cif.gz | 4.3 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb6z6j.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 6z6j.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/z6/6z6j ftp://data.pdbj.org/pub/pdb/validation_reports/z6/6z6j | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 11096MC ![]() 6z6kC ![]() 6z6lC ![]() 6z6mC ![]() 6z6nC M: map data used to model this data C: citing same article ( |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-RNA chain , 4 types, 4 molecules C2C1C4C3
| #1: RNA chain | Mass: 579761.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() References: GenBank: 874346701 |
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| #3: RNA chain | Mass: 1097493.875 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() |
| #4: RNA chain | Mass: 38951.105 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() References: GenBank: 834774822 |
| #5: RNA chain | Mass: 50682.922 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() References: GenBank: 940534893 |
-Protein , 4 types, 4 molecules C5SfSgLm
| #2: Protein | Mass: 10523.021 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() References: UniProt: Q3E772 |
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| #37: Protein | Mass: 17254.227 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() References: UniProt: P05759 |
| #38: Protein | Mass: 34841.219 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() References: UniProt: P38011 |
| #76: Protein | Mass: 14583.077 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() References: UniProt: P0CH08 |
+40S ribosomal protein ... , 31 types, 31 molecules SASBSCSDSESFSGSHSISJSKSLSMSNSOSPSQSRSSSTSUSVSWSXSYSZSaSbScSdSe
+60S ribosomal protein ... , 40 types, 40 molecules LALBLCLDLELFLGLHLILJLLLMLNLOLPLQLRLSLTLULVLWLXLYLZLaLbLcLdLe...
-Non-polymers , 1 types, 9 molecules 
| #80: Chemical | ChemComp-ZN / |
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-Details
| Has ligand of interest | N |
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-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: Lso2-80S ribosome / Type: RIBOSOME / Entity ID: #1-#79 / Source: NATURAL |
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| Source (natural) | Organism: ![]() |
| Buffer solution | pH: 7.4 |
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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| Microscopy | Model: FEI TITAN KRIOS |
| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD |
| Image recording | Electron dose: 28 e/Å2 / Film or detector model: FEI FALCON II (4k x 4k) |
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Processing
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| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||
| 3D reconstruction | Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 34951 / Symmetry type: POINT | ||||||||||||||||||||||||
| Atomic model building | Protocol: RIGID BODY FIT / Space: REAL |
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