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Yorodumi- PDB-6om0: Human ribosome nascent chain complex (PCSK9-RNC) stalled by a dru... -
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Basic information
| Entry | Database: PDB / ID: 6om0 | |||||||||
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| Title | Human ribosome nascent chain complex (PCSK9-RNC) stalled by a drug-like molecule with AP and PE tRNAs | |||||||||
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Keywords | RIBOSOME / selective stalling / drug-like molecule / human ribosome nascent chain complex | |||||||||
| Function / homology | Function and homology informationlow-density lipoprotein particle receptor catabolic process / negative regulation of receptor-mediated endocytosis involved in cholesterol transport / extrinsic component of external side of plasma membrane / negative regulation of sodium ion import across plasma membrane / PCSK9-LDLR complex / PCSK9-AnxA2 complex / negative regulation of receptor recycling / apolipoprotein receptor binding / very-low-density lipoprotein particle binding / positive regulation of low-density lipoprotein particle receptor catabolic process ...low-density lipoprotein particle receptor catabolic process / negative regulation of receptor-mediated endocytosis involved in cholesterol transport / extrinsic component of external side of plasma membrane / negative regulation of sodium ion import across plasma membrane / PCSK9-LDLR complex / PCSK9-AnxA2 complex / negative regulation of receptor recycling / apolipoprotein receptor binding / very-low-density lipoprotein particle binding / positive regulation of low-density lipoprotein particle receptor catabolic process / low-density lipoprotein particle binding / LDL clearance / very-low-density lipoprotein particle receptor binding / transporter inhibitor activity / lipoprotein metabolic process / signaling receptor inhibitor activity / negative regulation of receptor internalization / COPII-coated ER to Golgi transport vesicle / embryonic brain development / translation at presynapse / sodium channel inhibitor activity / PD-L1(CD274) glycosylation and translocation to plasma membrane / response to insecticide / alpha-beta T cell differentiation / triglyceride metabolic process / exit from mitosis / endolysosome membrane / optic nerve development / negative regulation of myoblast fusion / regulation of translation involved in cellular response to UV / eukaryotic 80S initiation complex / negative regulation of low-density lipoprotein particle clearance / ribosomal protein import into nucleus / regulation of G1 to G0 transition / axial mesoderm development / negative regulation of endoplasmic reticulum unfolded protein response / Enterobacterial factors antagonize host defense / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / lysosomal transport / retinal ganglion cell axon guidance / oxidized pyrimidine DNA binding / response to TNF agonist / positive regulation of base-excision repair / protein-DNA complex disassembly / negative regulation of formation of translation preinitiation complex / positive regulation of respiratory burst involved in inflammatory response / positive regulation of gastrulation / 90S preribosome assembly / middle ear morphogenesis / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage / protein tyrosine kinase inhibitor activity / positive regulation of ubiquitin-protein transferase activity / IRE1-RACK1-PP2A complex / positive regulation of Golgi to plasma membrane protein transport / nucleolus organization / positive regulation of DNA-templated transcription initiation / TNFR1-mediated ceramide production / positive regulation of DNA damage response, signal transduction by p53 class mediator / GAIT complex / negative regulation of RNA splicing / TORC2 complex binding / Dengue Virus Genome Translation and Replication / G1 to G0 transition / low-density lipoprotein particle receptor binding / neural crest cell differentiation / ZNF598 and the Ribosome-associated Quality Trigger (RQT) complex dissociate a ribosome stalled on a no-go mRNA / supercoiled DNA binding / Maturation of DENV proteins / negative regulation of DNA repair / PELO:HBS1L and ABCE1 dissociate a ribosome on a non-stop mRNA / cysteine-type endopeptidase activator activity involved in apoptotic process / oxidized purine DNA binding / NF-kappaB complex / mRNA Polyadenylation / cytoplasmic translational initiation / rRNA modification in the nucleus and cytosol / negative regulation of intrinsic apoptotic signaling pathway in response to hydrogen peroxide / erythrocyte homeostasis / regulation of establishment of cell polarity / negative regulation of phagocytosis / negative regulation of bicellular tight junction assembly / ubiquitin-like protein conjugating enzyme binding / cytoplasmic side of rough endoplasmic reticulum membrane / Formation of the ternary complex, and subsequently, the 43S complex / blastocyst development / pigmentation / ion channel inhibitor activity / protein kinase A binding / homeostatic process / laminin receptor activity / protein autoprocessing / Ribosomal scanning and start codon recognition / positive regulation of mitochondrial depolarization / lung morphogenesis / Translation initiation complex formation / macrophage chemotaxis / negative regulation of Wnt signaling pathway / positive regulation of natural killer cell proliferation / phospholipid metabolic process / fibroblast growth factor binding Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human) | |||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.1 Å | |||||||||
Authors | Li, W. / Cate, J.H.D. | |||||||||
| Funding support | United States, 1items
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Citation | Journal: Nat Struct Mol Biol / Year: 2019Title: Structural basis for selective stalling of human ribosome nascent chain complexes by a drug-like molecule. Authors: Wenfei Li / Fred R Ward / Kim F McClure / Stacey Tsai-Lan Chang / Elizabeth Montabana / Spiros Liras / Robert G Dullea / Jamie H D Cate / ![]() Abstract: The drug-like molecule PF-06446846 (PF846) binds the human ribosome and selectively blocks the translation of a small number of proteins by an unknown mechanism. In structures of PF846-stalled human ...The drug-like molecule PF-06446846 (PF846) binds the human ribosome and selectively blocks the translation of a small number of proteins by an unknown mechanism. In structures of PF846-stalled human ribosome nascent chain complexes, PF846 binds in the ribosome exit tunnel in a eukaryotic-specific pocket formed by 28S ribosomal RNA, and alters the path of the nascent polypeptide chain. PF846 arrests the translating ribosome in the rotated state of translocation, in which the peptidyl-transfer RNA 3'-CCA end is improperly docked in the peptidyl transferase center. Selections of messenger RNAs from mRNA libraries using translation extracts reveal that PF846 can stall translation elongation, arrest termination or even enhance translation, depending on nascent chain sequence context. These results illuminate how a small molecule selectively targets translation by the human ribosome, and provides a foundation for developing small molecules that modulate the production of proteins of therapeutic interest. | |||||||||
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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 | 6om0.cif.gz | 4.6 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb6om0.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 6om0.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/om/6om0 ftp://data.pdbj.org/pub/pdb/validation_reports/om/6om0 | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 0596MC ![]() 0526C ![]() 0597C ![]() 0598C ![]() 0599C ![]() 0600C ![]() 0601C ![]() 6oleC ![]() 6olfC ![]() 6olgC ![]() 6oliC ![]() 6olzC ![]() 6om7C 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 , 7 types, 7 molecules S2DEtuvw
| #1: RNA chain | Mass: 553505.062 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
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| #38: RNA chain | Mass: 50449.812 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
| #39: RNA chain | Mass: 38385.750 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
| #79: RNA chain | Mass: 1168718.500 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
| #80: RNA chain | Mass: 24414.451 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
| #81: RNA chain | Mass: 24436.508 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
| #82: RNA chain | Mass: 3193.932 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
+40S ribosomal protein ... , 32 types, 32 molecules SASBSDSESFSHSISKSLSPSQSRSSSTSUSVSXSaScSdSCSGSJSMSNSOSWSYSZSbSeSf
+60S ribosomal protein ... , 42 types, 42 molecules ABCFGHIJKLMNOPQRSTUVWXYZabcdef...
-Protein / Protein/peptide , 2 types, 2 molecules Sgy
| #22: Protein | Mass: 34568.012 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P63244 |
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| #83: Protein/peptide | Mass: 2886.409 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q8NBP7 |
-Non-polymers , 4 types, 52 molecules 






| #84: Chemical | ChemComp-MG / #85: Chemical | ChemComp-ZN / #86: Chemical | ChemComp-MVM / | #87: Water | ChemComp-HOH / | |
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-Details
| Has protein modification | Y |
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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: Human ribosome nascent chain complex (PCSK9-RNC) stalled by a drug-like small molecule with AP and PE tRNAs Type: RIBOSOME / Entity ID: #1-#83 / Source: NATURAL |
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| Source (natural) | Organism: Homo sapiens (human) |
| Buffer solution | pH: 7.5 |
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Specimen support | Details: unspecified |
| 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: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
| CTF correction | Type: NONE |
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| 3D reconstruction | Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 43666 / Symmetry type: POINT |
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About Yorodumi



Homo sapiens (human)
United States, 1items
Citation
UCSF Chimera




























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