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Yorodumi- PDB-6zp4: SARS-CoV-2 Nsp1 bound to a human 43S preinitiation ribosome compl... -
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Basic information
| Entry | Database: PDB / ID: 6zp4 | ||||||||||||
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| Title | SARS-CoV-2 Nsp1 bound to a human 43S preinitiation ribosome complex - state 2 | ||||||||||||
Components |
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Keywords | VIRAL PROTEIN / Translational Inhibition / SARS-CoV-2 / Immune Evasion / Human Ribosome | ||||||||||||
| Function / homology | Function and homology informationmale germ cell proliferation / positive regulation of mRNA binding / translation initiation ternary complex / regulation of translation in response to endoplasmic reticulum stress / glial limiting end-foot / HRI-mediated signaling / viral translational termination-reinitiation / response to manganese-induced endoplasmic reticulum stress / Cellular response to mitochondrial stress / positive regulation of type B pancreatic cell apoptotic process ...male germ cell proliferation / positive regulation of mRNA binding / translation initiation ternary complex / regulation of translation in response to endoplasmic reticulum stress / glial limiting end-foot / HRI-mediated signaling / viral translational termination-reinitiation / response to manganese-induced endoplasmic reticulum stress / Cellular response to mitochondrial stress / positive regulation of type B pancreatic cell apoptotic process / eukaryotic translation initiation factor 3 complex, eIF3e / Response of EIF2AK1 (HRI) to heme deficiency / cap-dependent translational initiation / Recycling of eIF2:GDP / eukaryotic translation initiation factor 3 complex, eIF3m / methionyl-initiator methionine tRNA binding / negative regulation of translational initiation in response to stress / PERK-mediated unfolded protein response / IRES-dependent viral translational initiation / PERK regulates gene expression / translation reinitiation / response to kainic acid / eukaryotic translation initiation factor 2 complex / eukaryotic translation initiation factor 3 complex / formation of cytoplasmic translation initiation complex / multi-eIF complex / cytoplasmic translational initiation / eukaryotic 43S preinitiation complex / regulation of translational initiation in response to stress / translation factor activity, RNA binding / mRNA cap binding / formation of translation preinitiation complex / eukaryotic 48S preinitiation complex / negative regulation of endoplasmic reticulum unfolded protein response / oxidized pyrimidine DNA binding / response to TNF agonist / positive regulation of base-excision repair / positive regulation of respiratory burst involved in inflammatory response / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of gastrulation / protein tyrosine kinase inhibitor activity / positive regulation of endodeoxyribonuclease activity / IRE1-RACK1-PP2A complex / nucleolus organization / positive regulation of Golgi to plasma membrane protein transport / TNFR1-mediated ceramide production / negative regulation of DNA repair / negative regulation of RNA splicing / metal-dependent deubiquitinase activity / supercoiled DNA binding / neural crest cell differentiation / protein-synthesizing GTPase / NF-kappaB complex / nuclear-transcribed mRNA catabolic process, nonsense-mediated decay / cysteine-type endopeptidase activator activity involved in apoptotic process / oxidized purine DNA binding / regulation of translational initiation / positive regulation of ubiquitin-protein transferase activity / negative regulation of intrinsic apoptotic signaling pathway in response to hydrogen peroxide / regulation of establishment of cell polarity / negative regulation of bicellular tight junction assembly / ubiquitin-like protein conjugating enzyme binding / negative regulation of phagocytosis / rRNA modification in the nucleus and cytosol / erythrocyte homeostasis / Formation of the ternary complex, and subsequently, the 43S complex / cytoplasmic side of rough endoplasmic reticulum membrane / laminin receptor activity / negative regulation of ubiquitin protein ligase activity / protein kinase A binding / ion channel inhibitor activity / Ribosomal scanning and start codon recognition / pigmentation / Translation initiation complex formation / positive regulation of mitochondrial depolarization / positive regulation of T cell receptor signaling pathway / negative regulation of Wnt signaling pathway / fibroblast growth factor binding / monocyte chemotaxis / positive regulation of activated T cell proliferation / negative regulation of translational frameshifting / TOR signaling / Protein hydroxylation / BH3 domain binding / SARS-CoV-1 modulates host translation machinery / regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway / iron-sulfur cluster binding / regulation of cell division / cellular response to ethanol / mTORC1-mediated signalling / Peptide chain elongation / Selenocysteine synthesis / Formation of a pool of free 40S subunits / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / ribosomal small subunit binding / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / Eukaryotic Translation Termination / ubiquitin ligase inhibitor activity / positive regulation of GTPase activity / SRP-dependent cotranslational protein targeting to membrane Similarity search - Function | ||||||||||||
| Biological species | Homo sapiens (human)![]() | ||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.9 Å | ||||||||||||
Authors | Thoms, M. / Buschauer, R. / Ameismeier, M. / Denk, T. / Kratzat, H. / Mackens-Kiani, T. / Cheng, J. / Berninghausen, O. / Becker, T. / Beckmann, R. | ||||||||||||
| Funding support | Germany, 3items
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Citation | Journal: Science / Year: 2020Title: Structural basis for translational shutdown and immune evasion by the Nsp1 protein of SARS-CoV-2. Authors: Matthias Thoms / Robert Buschauer / Michael Ameismeier / Lennart Koepke / Timo Denk / Maximilian Hirschenberger / Hanna Kratzat / Manuel Hayn / Timur Mackens-Kiani / Jingdong Cheng / Jan H ...Authors: Matthias Thoms / Robert Buschauer / Michael Ameismeier / Lennart Koepke / Timo Denk / Maximilian Hirschenberger / Hanna Kratzat / Manuel Hayn / Timur Mackens-Kiani / Jingdong Cheng / Jan H Straub / Christina M Stürzel / Thomas Fröhlich / Otto Berninghausen / Thomas Becker / Frank Kirchhoff / Konstantin M J Sparrer / Roland Beckmann / ![]() Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of the current coronavirus disease 2019 (COVID-19) pandemic. A major virulence factor of SARS-CoVs is the ...Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of the current coronavirus disease 2019 (COVID-19) pandemic. A major virulence factor of SARS-CoVs is the nonstructural protein 1 (Nsp1), which suppresses host gene expression by ribosome association. Here, we show that Nsp1 from SARS-CoV-2 binds to the 40 ribosomal subunit, resulting in shutdown of messenger RNA (mRNA) translation both in vitro and in cells. Structural analysis by cryo-electron microscopy of in vitro-reconstituted Nsp1-40 and various native Nsp1-40 and -80 complexes revealed that the Nsp1 C terminus binds to and obstructs the mRNA entry tunnel. Thereby, Nsp1 effectively blocks retinoic acid-inducible gene I-dependent innate immune responses that would otherwise facilitate clearance of the infection. Thus, the structural characterization of the inhibitory mechanism of Nsp1 may aid structure-based drug design against SARS-CoV-2. | ||||||||||||
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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 | 6zp4.cif.gz | 2.6 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb6zp4.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 6zp4.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 6zp4_validation.pdf.gz | 1.3 MB | Display | wwPDB validaton report |
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| Full document | 6zp4_full_validation.pdf.gz | 1.4 MB | Display | |
| Data in XML | 6zp4_validation.xml.gz | 250.3 KB | Display | |
| Data in CIF | 6zp4_validation.cif.gz | 436.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/zp/6zp4 ftp://data.pdbj.org/pub/pdb/validation_reports/zp/6zp4 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 11335MC ![]() 6zlwC ![]() 6zm7C ![]() 6zmeC ![]() 6zmiC ![]() 6zmoC ![]() 6zmtC ![]() 6zn5C ![]() 6zonC 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 ... , 31 types, 31 molecules apdQqrstcnmyDzRTwbeuvogkxhPSlij
-Protein/peptide , 1 types, 1 molecules W
| #6: Protein/peptide | Mass: 3473.451 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62945 |
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-RNA chain , 2 types, 2 molecules 21
| #18: RNA chain | Mass: 602432.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 337376 |
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| #49: RNA chain | Mass: 24215.510 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
-Protein , 4 types, 4 molecules UVXJ
| #32: Protein | Mass: 18004.041 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62979 |
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| #33: Protein | Mass: 35115.652 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P63244 |
| #48: Protein | Mass: 5562.077 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
| #54: Protein | Mass: 19801.287 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() References: UniProt: P0DTD1, ubiquitinyl hydrolase 1, Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases, SARS coronavirus main proteinase, RNA-directed RNA polymerase, DNA ...References: UniProt: P0DTD1, ubiquitinyl hydrolase 1, Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases, SARS coronavirus main proteinase, RNA-directed RNA polymerase, DNA helicase, RNA helicase, Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters, Hydrolases; Acting on ester bonds, Transferases; Transferring one-carbon groups; Methyltransferases |
-Eukaryotic translation initiation factor ... , 16 types, 16 molecules GIBACEFHKLMN4OYZ
| #36: Protein | Mass: 16488.449 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P47813 |
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| #37: Protein | Mass: 36543.773 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q13347 |
| #38: Protein | Mass: 92593.414 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P55884 |
| #39: Protein | Mass: 166903.781 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q14152 |
| #40: Protein | Mass: 105503.945 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q99613 |
| #41: Protein | Mass: 52281.633 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P60228 |
| #42: Protein | Mass: 37593.645 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O00303, ubiquitinyl hydrolase 1 |
| #43: Protein | Mass: 39979.277 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O15372 |
| #44: Protein | Mass: 25083.619 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9UBQ5 |
| #45: Protein | Mass: 66803.734 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9Y262 |
| #46: Protein | Mass: 42555.832 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q7L2H7 |
| #47: Protein | Mass: 64060.758 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O15371 |
| #50: Protein | Mass: 38454.484 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P20042 |
| #51: Protein | Mass: 36161.180 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P05198 |
| #52: Protein | Mass: 51178.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P41091, protein-synthesizing GTPase |
| #53: Protein | Mass: 12752.498 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P41567 |
-Non-polymers , 3 types, 6 molecules 




| #55: Chemical | ChemComp-ZN / #56: Chemical | ChemComp-GTP / | #57: Chemical | ChemComp-MG / | |
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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
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| Source (natural) |
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| 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: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD |
| Image recording | Electron dose: 44.8 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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| 3D reconstruction | Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 53769 / Symmetry type: POINT |
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Homo sapiens (human)

Germany, 3items
Citation
UCSF Chimera
























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