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Yorodumi- PDB-8a3d: Human mature large subunit of the ribosome with eIF6 and homoharr... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 8a3d | ||||||
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| Title | Human mature large subunit of the ribosome with eIF6 and homoharringtonine bound | ||||||
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Keywords | TRANSLATION / Ribosome / human / rna modifications / water / magnesium / potassium / homoharringtonine | ||||||
| Function / homology | Function and homology informationlamin filament / regulation of fatty acid biosynthetic process / regulation of megakaryocyte differentiation / miRNA-mediated post-transcriptional gene silencing / miRNA-mediated gene silencing by inhibition of translation / embryonic brain development / translation at presynapse / exit from mitosis / optic nerve development / eukaryotic 80S initiation complex ...lamin filament / regulation of fatty acid biosynthetic process / regulation of megakaryocyte differentiation / miRNA-mediated post-transcriptional gene silencing / miRNA-mediated gene silencing by inhibition of translation / embryonic brain development / translation at presynapse / exit from mitosis / optic nerve development / eukaryotic 80S initiation complex / negative regulation of protein neddylation / regulation of translation involved in cellular response to UV / axial mesoderm development / negative regulation of formation of translation preinitiation complex / regulation of G1 to G0 transition / retinal ganglion cell axon guidance / ribosomal protein import into nucleus / protein-DNA complex disassembly / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / 90S preribosome assembly / alpha-beta T cell differentiation / GAIT complex / positive regulation of DNA damage response, signal transduction by p53 class mediator / regulation of glycolytic process / TORC2 complex binding / G1 to G0 transition / regulation of reactive oxygen species metabolic process / middle ear morphogenesis / maturation of 5.8S rRNA / cytoplasmic side of rough endoplasmic reticulum membrane / negative regulation of ubiquitin protein ligase activity / homeostatic process / macrophage chemotaxis / ribosomal large subunit binding / lung morphogenesis / positive regulation of natural killer cell proliferation / Protein hydroxylation / Peptide chain elongation / Selenocysteine synthesis / Formation of a pool of free 40S subunits / cellular response to actinomycin D / Eukaryotic Translation Termination / blastocyst development / negative regulation of ubiquitin-dependent protein catabolic process / SRP-dependent cotranslational protein targeting to membrane / Response of EIF2AK4 (GCN2) to amino acid deficiency / ubiquitin ligase inhibitor activity / Viral mRNA Translation / positive regulation of signal transduction by p53 class mediator / protein localization to nucleus / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / GTP hydrolysis and joining of the 60S ribosomal subunit / L13a-mediated translational silencing of Ceruloplasmin expression / positive regulation of protein binding / Major pathway of rRNA processing in the nucleolus and cytosol / protein targeting / ribosomal subunit export from nucleus / protein-RNA complex assembly / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / maturation of LSU-rRNA / rough endoplasmic reticulum / translation regulator activity / negative regulation of proteasomal ubiquitin-dependent protein catabolic process / translation initiation factor activity / MDM2/MDM4 family protein binding / embryo implantation / cellular response to interleukin-4 / cytosolic ribosome / ossification / assembly of large subunit precursor of preribosome / regulation of signal transduction by p53 class mediator / positive regulation of translation / cytosolic ribosome assembly / ribosomal large subunit biogenesis / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / mRNA 3'-UTR binding / innate immune response in mucosa / skeletal system development / DNA damage response, signal transduction by p53 class mediator / sensory perception of sound / cellular response to gamma radiation / response to insulin / bone development / mRNA 5'-UTR binding / cellular response to type II interferon / transcription coactivator binding / Regulation of expression of SLITs and ROBOs / cytoplasmic ribonucleoprotein granule / rRNA processing / antimicrobial humoral immune response mediated by antimicrobial peptide / cellular response to UV / antibacterial humoral response / presynapse / heparin binding / regulation of translation / large ribosomal subunit / ribosome binding / retina development in camera-type eye / cell body / 5S rRNA binding Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 1.67 Å | ||||||
Authors | Faille, A. / Warren, A.J. / Dent, K.C. | ||||||
| Funding support | United Kingdom, 1items
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Citation | Journal: bioRxiv / Year: 2023Title: The chemical landscape of the human ribosome at 1.67 Å resolution. Authors: Alexandre Faille / Kyle C Dent / Simone Pellegrino / Pekka Jaako / Alan J Warren Abstract: The ability of ribosomes to translate the genetic code into protein requires a finely tuned ion and solvent ecosystem. However, the lack of high-resolution structures has precluded accurate ...The ability of ribosomes to translate the genetic code into protein requires a finely tuned ion and solvent ecosystem. However, the lack of high-resolution structures has precluded accurate positioning of all the functional elements of the ribosome and limited our understanding of the specific role of ribosomal RNA chemical modifications in modulating ribosome function in health and disease. Here, using a new sample preparation methodology based on functionalised pristine graphene-coated grids, we solve the cryo-EM structure of the human large ribosomal subunit to a resolution of 1.67 Å. The accurate assignment of water molecules, magnesium and potassium ions in our model highlights the fundamental biological role of ribosomal RNA methylation in harnessing unconventional carbon-oxygen hydrogen bonds to establish chemical interactions with the environment and fine-tune the functional interplay with tRNA. In addition, the structures of three translational inhibitors bound to the human large ribosomal subunit at better than 2 Å resolution provide mechanistic insights into how three key druggable pockets of the ribosome are targeted and illustrate the potential of this methodology to accelerate high-throughput structure-based design of anti-cancer therapeutics. | ||||||
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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 | 8a3d.cif.gz | 3.7 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb8a3d.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 8a3d.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 8a3d_validation.pdf.gz | 1.6 MB | Display | wwPDB validaton report |
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| Full document | 8a3d_full_validation.pdf.gz | 1.8 MB | Display | |
| Data in XML | 8a3d_validation.xml.gz | 239.8 KB | Display | |
| Data in CIF | 8a3d_validation.cif.gz | 459.9 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a3/8a3d ftp://data.pdbj.org/pub/pdb/validation_reports/a3/8a3d | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 15113MC 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 , 3 types, 3 molecules ABC
| #1: RNA chain | Mass: 1640812.500 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HEK293 / Plasmid details: Thermofisher / Variant: Expi293 / References: GenBank: 86475748 |
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| #2: RNA chain | Mass: 38998.078 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HEK293 / Plasmid details: Thermofisher / Variant: Expi293 / References: GenBank: 23898 |
| #3: RNA chain | Mass: 50463.840 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HEK293 / Plasmid details: Thermofisher / Variant: Expi293 / References: GenBank: 555853 |
+60S ribosomal protein ... , 39 types, 39 molecules DEFGHmnopqrslIJKLMNOPQRSTUVWXY...
-Protein , 3 types, 3 molecules bgh
| #36: Protein | Mass: 21730.748 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HEK293 / Plasmid details: Thermofisher / Variant: Expi293 |
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| #41: Protein | Mass: 11470.713 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HEK293 / Plasmid details: Thermofisher / Variant: Expi293 / References: UniProt: A0A3Q0DRJ6 |
| #45: Protein | Mass: 26620.010 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HEK293 / Plasmid details: Thermofisher / Variant: Expi293 / References: UniProt: P56537 |
-Non-polymers , 8 types, 12367 molecules 














| #46: Chemical | ChemComp-MG / #47: Chemical | ChemComp-K / #48: Chemical | #49: Chemical | ChemComp-HMT / ( | #50: Chemical | ChemComp-SPM / | #51: Chemical | ChemComp-EPE / | #52: Chemical | ChemComp-ZN / #53: Water | ChemComp-HOH / | |
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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: Human mature large subunit of the ribosome with eIF6 bound Type: RIBOSOME / Entity ID: #1-#45 / Source: NATURAL | |||||||||||||||||||||||||
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| Molecular weight | Experimental value: NO | |||||||||||||||||||||||||
| Source (natural) | Organism: Homo sapiens (human) | |||||||||||||||||||||||||
| Buffer solution | pH: 7.5 | |||||||||||||||||||||||||
| Buffer component |
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| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | |||||||||||||||||||||||||
| Specimen support | Details: Grid was functionalised with 1-pyrenemethylamine. See methods section in published article. Grid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/2 | |||||||||||||||||||||||||
| Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K / Details: 30 seconds 'wait' time |
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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 / Nominal magnification: 105000 X / Nominal defocus max: 1800 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm / C2 aperture diameter: 50 µm / Alignment procedure: COMA FREE |
| Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
| Image recording | Average exposure time: 2.2 sec. / Electron dose: 51 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 9973 |
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Processing
| Software | Name: REFMAC / Version: 5.8.0267 / Classification: refinement | ||||||||||||||||||||||||||||||||||||
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| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||
| Particle selection | Num. of particles selected: 1147785 | ||||||||||||||||||||||||||||||||||||
| 3D reconstruction | Resolution: 1.67 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 1088709 / Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||||||
| Atomic model building | B value: 40 / Protocol: AB INITIO MODEL / Space: REAL | ||||||||||||||||||||||||||||||||||||
| Atomic model building | PDB-ID: 6EK0![]() 6ek0 Accession code: 6EK0 / Source name: PDB / Type: experimental model | ||||||||||||||||||||||||||||||||||||
| Refinement | Resolution: 1.67→270.25 Å / Cor.coef. Fo:Fc: 0.688
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| Displacement parameters | Biso mean: 35.442 Å2 | ||||||||||||||||||||||||||||||||||||
| LS refinement shell | Highest resolution: 1.67 Å /
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Homo sapiens (human)
United Kingdom, 1items
Citation
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FIELD EMISSION GUN
