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Open data
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Basic information
| Entry | Database: PDB / ID: 9p9k | |||||||||||||||||||||||||||
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| Title | In situ human 60S ribosome with EIF6 | |||||||||||||||||||||||||||
Components |
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Keywords | RIBOSOME / In situ | |||||||||||||||||||||||||||
| 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 / response to insecticide / eukaryotic 80S initiation complex / negative regulation of protein neddylation / regulation of translation involved in cellular response to UV / axial mesoderm development ...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 / response to insecticide / 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 / 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 / GAIT complex / positive regulation of DNA damage response, signal transduction by p53 class mediator / regulation of glycolytic process / regulation of reactive oxygen species metabolic process / TORC2 complex binding / G1 to G0 transition / middle ear morphogenesis / maturation of 5.8S rRNA / cytoplasmic side of rough endoplasmic reticulum membrane / negative regulation of ubiquitin protein ligase activity / homeostatic process / ribosomal large subunit binding / macrophage chemotaxis / lung morphogenesis / positive regulation of natural killer cell proliferation / male meiosis I / 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 / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / protein-RNA complex assembly / maturation of LSU-rRNA / rough endoplasmic reticulum / Maturation of protein E / Maturation of protein E / translation initiation factor activity / ER Quality Control Compartment (ERQC) / MDM2/MDM4 family protein binding / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / Constitutive Signaling by NOTCH1 HD Domain Mutants / IRAK2 mediated activation of TAK1 complex / Prevention of phagosomal-lysosomal fusion / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / negative regulation of proteasomal ubiquitin-dependent protein catabolic process / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Endosomal Sorting Complex Required For Transport (ESCRT) / embryo implantation / Membrane binding and targetting of GAG proteins / Negative regulation of FLT3 / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / NOTCH2 Activation and Transmission of Signal to the Nucleus / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / cellular response to interleukin-4 / APC/C:Cdc20 mediated degradation of Cyclin B / Regulation of FZD by ubiquitination / Downregulation of ERBB4 signaling / cytosolic ribosome / APC-Cdc20 mediated degradation of Nek2A / p75NTR recruits signalling complexes / ossification / InlA-mediated entry of Listeria monocytogenes into host cells / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / Regulation of pyruvate metabolism / TRAF6-mediated induction of TAK1 complex within TLR4 complex / NF-kB is activated and signals survival / Regulation of innate immune responses to cytosolic DNA / Pexophagy / Downregulation of ERBB2:ERBB3 signaling / NRIF signals cell death from the nucleus Similarity search - Function | |||||||||||||||||||||||||||
| Biological species | Homo sapiens (human) | |||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.96 Å | |||||||||||||||||||||||||||
Authors | Wei, Z. / Yong, X. | |||||||||||||||||||||||||||
| Funding support | 1items
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Citation | Journal: Nat Commun / Year: 2025Title: Visualizing the translation landscape in human cells at high resolution. Authors: Wei Zheng / Yuekang Zhang / Jimin Wang / Shuhui Wang / Pengxin Chai / Elizabeth J Bailey / Chenghao Zhu / Wangbiao Guo / Swapnil C Devarkar / Shenping Wu / Jianfeng Lin / Kai Zhang / Jun Liu ...Authors: Wei Zheng / Yuekang Zhang / Jimin Wang / Shuhui Wang / Pengxin Chai / Elizabeth J Bailey / Chenghao Zhu / Wangbiao Guo / Swapnil C Devarkar / Shenping Wu / Jianfeng Lin / Kai Zhang / Jun Liu / Ivan B Lomakin / Yong Xiong / ![]() Abstract: Comprehensive in situ structures of macromolecules can transform our understanding of biology and advance human health. Here, we map protein synthesis inside human cells in detail by combining ...Comprehensive in situ structures of macromolecules can transform our understanding of biology and advance human health. Here, we map protein synthesis inside human cells in detail by combining automated cryo-focused ion beam (FIB) milling and in situ single-particle cryo electron microscopy (cryo-EM). With this in situ cryo-EM approach, we resolved a 2.2 Å consensus structure of the human 80S ribosome and unveiled 23 functional states, nearly all better than 3 Å resolution. Compared to in vitro studies, we observed variations in ribosome structures, distinct environments of ion and polyamine binding, and associated proteins such as EDF1 and NACβ that are typically not enriched with purified ribosomes. We also detected additional peptide-related density features on the ribosome and visualized ribosome-ribosome interactions in helical polysomes. Finally, high-resolution structures from cells treated with homoharringtonine and cycloheximide revealed a distinct translational landscape and a spermidine that interacts with cycloheximide at the E site, one of the numerous polyamines that also bind native ribosomes. These results underscore the value of high-resolution in situ studies in the native environment. | |||||||||||||||||||||||||||
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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 | 9p9k.cif.gz | 3.5 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb9p9k.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 9p9k.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/p9/9p9k ftp://data.pdbj.org/pub/pdb/validation_reports/p9/9p9k | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 71414MC ![]() 9p6zC ![]() 9p72C ![]() 9p73C ![]() 9p76C ![]() 9p78C ![]() 9p79C ![]() 9p7aC ![]() 9p7cC ![]() 9p7dC ![]() 9p7eC ![]() 9p7fC ![]() 9p7gC ![]() 9p7hC ![]() 9p7iC ![]() 9p7jC ![]() 9p7kC ![]() 9p7lC ![]() 9p7nC ![]() 9p7oC ![]() 9p7wC ![]() 9p7xC ![]() 9p7yC ![]() 9p8bC ![]() 9p8cC ![]() 9p8hC ![]() 9p8iC ![]() 9p9hC ![]() 9p9iC ![]() 9p9jC ![]() 9pa7C ![]() 9pbeC ![]() 9pkgC 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 L5L7L8
| #1: RNA chain | Mass: 1191482.750 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
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| #2: RNA chain | Mass: 38691.914 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 23898 |
| #3: RNA chain | Mass: 50157.676 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 2795773355 |
+60S ribosomal protein ... , 32 types, 32 molecules LALCLFLGLHLJLMLNLOLPLQLRLSLTLVLXLYLZLaLcLdLeLfLgLhLiLjLkLlLoLpLr
-Large ribosomal subunit protein ... , 6 types, 6 molecules LBLDLELLLbLm
| #5: Protein | Mass: 46079.918 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P39023 |
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| #7: Protein | Mass: 34008.324 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P46777 |
| #8: Protein | Mass: 28694.230 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q02878 |
| #14: Protein | Mass: 24190.484 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P26373 |
| #29: Protein | Mass: 13965.825 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P47914 |
| #40: Protein | Mass: 6199.574 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62987 |
-Protein , 4 types, 4 molecules LILUCAP
| #12: Protein | Mass: 24439.754 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q96L21 |
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| #23: Protein | Mass: 11722.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q7Z4W8 |
| #44: Protein | Mass: 39718.395 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9UQ80 |
| #45: Protein | Mass: 24500.668 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P56537 |
-Non-polymers , 5 types, 214 molecules 








| #46: Chemical | ChemComp-MG / #47: Chemical | ChemComp-SPM / #48: Chemical | ChemComp-SPD / #49: Chemical | ChemComp-ZN / #50: Water | ChemComp-HOH / | |
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-Details
| Has ligand of interest | Y |
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| Has protein modification | N |
-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: CELL / 3D reconstruction method: single particle reconstruction |
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Sample preparation
| Component | Name: In situ human 60S ribosome with EIF6 / Type: RIBOSOME / Entity ID: #1-#45 / Source: NATURAL |
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| Source (natural) | Organism: Homo sapiens (human) |
| 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: Tecnai F30 / Image courtesy: FEI Company |
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| Microscopy | Model: FEI TECNAI F30 |
| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 1200 nm |
| Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
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| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||
| 3D reconstruction | Resolution: 2.96 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 132487 / Symmetry type: POINT |
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Homo sapiens (human)
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FIELD EMISSION GUN