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Yorodumi- PDB-8pv3: Chaetomium thermophilum pre-60S State 9 - pre-5S rotation - immat... -
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Basic information
| Entry | Database: PDB / ID: 8pv3 | ||||||
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| Title | Chaetomium thermophilum pre-60S State 9 - pre-5S rotation - immature H68/H69 - composite structure | ||||||
Components |
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Keywords | RIBOSOME / biogenesis / pre-60S / 5S RNP | ||||||
| Function / homology | Function and homology informationdolichyl-diphosphooligosaccharide-protein glycotransferase / dolichyl-diphosphooligosaccharide-protein glycotransferase activity / preribosome / protein N-linked glycosylation via asparagine / PeBoW complex / maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / protein kinase regulator activity / ribosomal large subunit binding / preribosome, large subunit precursor / nuclear-transcribed mRNA catabolic process ...dolichyl-diphosphooligosaccharide-protein glycotransferase / dolichyl-diphosphooligosaccharide-protein glycotransferase activity / preribosome / protein N-linked glycosylation via asparagine / PeBoW complex / maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / protein kinase regulator activity / ribosomal large subunit binding / preribosome, large subunit precursor / nuclear-transcribed mRNA catabolic process / ribonucleoprotein complex binding / ribosomal subunit export from nucleus / protein-RNA complex assembly / translation initiation factor activity / endomembrane system / post-translational protein modification / cellular response to amino acid starvation / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosomal large subunit biogenesis / cytosolic ribosome assembly / rRNA processing / ribosome biogenesis / large ribosomal subunit / regulation of translation / 5S rRNA binding / ribosomal large subunit assembly / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / nucleic acid binding / cytoplasmic translation / negative regulation of translation / rRNA binding / structural constituent of ribosome / ribosome / translation / ribonucleoprotein complex / mRNA binding / GTP binding / nucleolus / RNA binding / zinc ion binding / nucleoplasm / metal ion binding / nucleus / membrane / cytoplasm Similarity search - Function | ||||||
| Biological species | Thermochaetoides thermophila DSM 1495 (fungus) | ||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.8 Å | ||||||
Authors | Thoms, M. / Cheng, J. / Denk, T. / Berninghausen, O. / Beckmann, R. | ||||||
| Funding support | European Union, 1items
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Citation | Journal: EMBO Rep / Year: 2023Title: Structural insights into coordinating 5S RNP rotation with ITS2 pre-RNA processing during ribosome formation. Authors: Matthias Thoms / Benjamin Lau / Jingdong Cheng / Lisa Fromm / Timo Denk / Nikola Kellner / Dirk Flemming / Paulina Fischer / Laurent Falquet / Otto Berninghausen / Roland Beckmann / Ed Hurt / ![]() Abstract: The rixosome defined in Schizosaccharomyces pombe and humans performs diverse roles in pre-ribosomal RNA processing and gene silencing. Here, we isolate and describe the conserved rixosome from ...The rixosome defined in Schizosaccharomyces pombe and humans performs diverse roles in pre-ribosomal RNA processing and gene silencing. Here, we isolate and describe the conserved rixosome from Chaetomium thermophilum, which consists of two sub-modules, the sphere-like Rix1-Ipi3-Ipi1 and the butterfly-like Las1-Grc3 complex, connected by a flexible linker. The Rix1 complex of the rixosome utilizes Sda1 as landing platform on nucleoplasmic pre-60S particles to wedge between the 5S rRNA tip and L1-stalk, thereby facilitating the 180° rotation of the immature 5S RNP towards its mature conformation. Upon rixosome positioning, the other sub-module with Las1 endonuclease and Grc3 polynucleotide-kinase can reach a strategic position at the pre-60S foot to cleave and 5' phosphorylate the nearby ITS2 pre-rRNA. Finally, inward movement of the L1 stalk permits the flexible Nop53 N-terminus with its AIM motif to become positioned at the base of the L1-stalk to facilitate Mtr4 helicase-exosome participation for completing ITS2 removal. Thus, the rixosome structure elucidates the coordination of two central ribosome biogenesis events, but its role in gene silencing may adapt similar strategies. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 8pv3.cif.gz | 3.6 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb8pv3.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 8pv3.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 8pv3_validation.pdf.gz | 1.3 MB | Display | wwPDB validaton report |
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| Full document | 8pv3_full_validation.pdf.gz | 1.4 MB | Display | |
| Data in XML | 8pv3_validation.xml.gz | 271.4 KB | Display | |
| Data in CIF | 8pv3_validation.cif.gz | 467.6 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/pv/8pv3 ftp://data.pdbj.org/pub/pdb/validation_reports/pv/8pv3 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 17952MC ![]() 8ptwC ![]() 8puwC ![]() 8pv1C ![]() 8pv2C ![]() 8pv4C ![]() 8pv5C ![]() 8pv6C ![]() 8pv7C ![]() 8pv8C ![]() 8pvkC ![]() 8pvlC M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-RNA chain , 4 types, 4 molecules C1C2C3C4
| #1: RNA chain | Mass: 1080783.125 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus) |
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| #2: RNA chain | Mass: 50147.688 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: GenBank: MT316345.1 |
| #3: RNA chain | Mass: 52085.812 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: GenBank: 1373509168 |
| #4: RNA chain | Mass: 38312.738 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus) |
-Protein , 14 types, 14 molecules CBCFCICJCLCNCOCbCfCgChCzLJLh
| #5: Protein | Mass: 43700.527 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S7X0 |
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| #6: Protein | Mass: 30526.518 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S616 |
| #8: Protein | Mass: 45884.414 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S1H0 |
| #9: Protein | Mass: 77167.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SHX6 |
| #11: Protein | Mass: 61479.887 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SEW3 |
| #13: Protein | Mass: 26468.840 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S683 |
| #14: Protein | Mass: 13262.389 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SHK0 |
| #16: Protein | Mass: 13710.759 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SB32 |
| #19: Protein | Mass: 39927.340 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SF80 |
| #20: Protein | Mass: 22817.281 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SCH6 |
| #21: Protein | Mass: 57620.664 Da / Num. of mol.: 1 / Mutation: E117D Source method: isolated from a genetically manipulated source Source: (gene. exp.) Thermochaetoides thermophila DSM 1495 (fungus)Gene: CTHT_0055700 Production host: Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SC29 |
| #22: Protein | Mass: 14710.419 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SCP3 |
| #30: Protein | Mass: 20119.275 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SHQ2 |
| #52: Protein | Mass: 105169.227 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S0D7, dolichyl-diphosphooligosaccharide-protein glycotransferase |
-Nucleolar GTP-binding protein ... , 2 types, 2 molecules CHCd
| #7: Protein | Mass: 75621.508 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S8F1 |
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| #17: Protein | Mass: 70313.133 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SBX1 |
-Ribosome biogenesis protein ... , 3 types, 3 molecules CKCQCe
| #10: Protein | Mass: 29724.580 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S081 |
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| #15: Protein | Mass: 26434.312 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S497 |
| #18: Protein | Mass: 50981.254 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S495 |
+60S ribosomal protein ... , 27 types, 28 molecules CMLFLALBLCLDLELGLHLKLLLMLOLPLSLTLULVLXLYLZLaLcLeLfLiLkLp
-Ribosomal protein ... , 6 types, 6 molecules LNLQLRLgLjLl
| #34: Protein | Mass: 24307.287 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0RZ88 |
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| #37: Protein | Mass: 24195.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S9B5 |
| #38: Protein | Mass: 317092.281 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S9T3 |
| #51: Protein | Mass: 13492.993 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SFN0 |
| #54: Protein | Mass: 10660.455 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0S101 |
| #56: Protein | Mass: 6297.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: Q2H9R2 |
-Putative 60S ribosomal ... , 2 types, 2 molecules LdLq
| #48: Protein | Mass: 13872.177 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SD68 |
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| #58: Protein | Mass: 15960.451 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) Thermochaetoides thermophila DSM 1495 (fungus)References: UniProt: G0SHJ6 |
-Non-polymers , 4 types, 13 molecules 






| #59: Chemical | | #60: Chemical | #61: Chemical | ChemComp-ZN / #62: Water | ChemComp-HOH / | |
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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
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| Source (natural) |
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| Source (recombinant) | Organism: Thermochaetoides thermophila DSM 1495 (fungus) | ||||||||||||||||||||||||
| Buffer solution | pH: 7.5 | ||||||||||||||||||||||||
| 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: SPOT SCAN |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 3500 nm / Nominal defocus min: 500 nm |
| Image recording | Electron dose: 45.6 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
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| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| 3D reconstruction | Resolution: 2.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 35432 Details: Note: This is a composite map. Values given for consensus refinement. Symmetry type: POINT | ||||||||||||||||||||||||
| Refinement | Cross valid method: NONE Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2 | ||||||||||||||||||||||||
| Displacement parameters | Biso mean: 42.89 Å2 | ||||||||||||||||||||||||
| Refine LS restraints |
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Thermochaetoides thermophila DSM 1495 (fungus)
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FIELD EMISSION GUN