[English] 日本語

- PDB-5lzt: Structure of the mammalian ribosomal termination complex with eRF... -
+
Open data
-
Basic information
Entry | Database: PDB / ID: 5lzt | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Title | Structure of the mammalian ribosomal termination complex with eRF1 and eRF3. | ||||||||||||
![]() |
| ||||||||||||
![]() | RIBOSOME / Translation / Elongation | ||||||||||||
Function / homology | ![]() translation termination factor activity / translation release factor complex / cytoplasmic translational termination / translation release factor activity / regulation of translational termination / translation release factor activity, codon specific / protein methylation / sequence-specific mRNA binding / ribosomal subunit / peptidyl-tRNA hydrolase activity ...translation termination factor activity / translation release factor complex / cytoplasmic translational termination / translation release factor activity / regulation of translational termination / translation release factor activity, codon specific / protein methylation / sequence-specific mRNA binding / ribosomal subunit / peptidyl-tRNA hydrolase activity / nuclear-transcribed mRNA catabolic process, nonsense-mediated decay / exit from mitosis / optic nerve development / retinal ganglion cell axon guidance / Protein hydroxylation / positive regulation of signal transduction by p53 class mediator / ubiquitin ligase inhibitor activity / Eukaryotic Translation Termination / phagocytic cup / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / 90S preribosome / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / translational termination / ribosomal small subunit export from nucleus / translation regulator activity / rough endoplasmic reticulum / gastrulation / MDM2/MDM4 family protein binding / cytosolic ribosome / class I DNA-(apurinic or apyrimidinic site) endonuclease activity / DNA-(apurinic or apyrimidinic site) lyase / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosomal large subunit biogenesis / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of SSU-rRNA / small-subunit processome / positive regulation of apoptotic signaling pathway / spindle / Regulation of expression of SLITs and ROBOs / mRNA 5'-UTR binding / G1/S transition of mitotic cell cycle / rRNA processing / antimicrobial humoral immune response mediated by antimicrobial peptide / positive regulation of canonical Wnt signaling pathway / rhythmic process / regulation of translation / large ribosomal subunit / ribosome binding / ribosomal small subunit biogenesis / ribosomal small subunit assembly / retina development in camera-type eye / small ribosomal subunit / small ribosomal subunit rRNA binding / 5S rRNA binding / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / defense response to Gram-negative bacterium / perikaryon / cytosolic large ribosomal subunit / killing of cells of another organism / cytoplasmic translation / tRNA binding / cell differentiation / mitochondrial inner membrane / postsynaptic density / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex / cell division / DNA repair / GTPase activity / mRNA binding / apoptotic process / centrosome / dendrite / synapse / negative regulation of apoptotic process / nucleolus / GTP binding / perinuclear region of cytoplasm / Golgi apparatus / endoplasmic reticulum / DNA binding / RNA binding / zinc ion binding / nucleus / membrane / metal ion binding / cytosol / cytoplasm Similarity search - Function | ||||||||||||
Biological species | ![]() ![]() ![]() | ||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.65 Å | ||||||||||||
![]() | Shao, S. / Murray, J. / Brown, A. / Taunton, J. / Ramakrishnan, V. / Hegde, R.S. | ||||||||||||
Funding support | ![]()
| ||||||||||||
![]() | ![]() Title: Decoding Mammalian Ribosome-mRNA States by Translational GTPase Complexes. Authors: Sichen Shao / Jason Murray / Alan Brown / Jack Taunton / V Ramakrishnan / Ramanujan S Hegde / ![]() ![]() Abstract: In eukaryotes, accurate protein synthesis relies on a family of translational GTPases that pair with specific decoding factors to decipher the mRNA code on ribosomes. We present structures of the ...In eukaryotes, accurate protein synthesis relies on a family of translational GTPases that pair with specific decoding factors to decipher the mRNA code on ribosomes. We present structures of the mammalian ribosome engaged with decoding factor⋅GTPase complexes representing intermediates of translation elongation (aminoacyl-tRNA⋅eEF1A), termination (eRF1⋅eRF3), and ribosome rescue (Pelota⋅Hbs1l). Comparative analyses reveal that each decoding factor exploits the plasticity of the ribosomal decoding center to differentially remodel ribosomal proteins and rRNA. This leads to varying degrees of large-scale ribosome movements and implies distinct mechanisms for communicating information from the decoding center to each GTPase. Additional structural snapshots of the translation termination pathway reveal the conformational changes that choreograph the accommodation of decoding factors into the peptidyl transferase center. Our results provide a structural framework for how different states of the mammalian ribosome are selectively recognized by the appropriate decoding factor⋅GTPase complex to ensure translational fidelity. #1: ![]() Title: Decoding mammalian ribosome-mRNA states by translational GTPase complexes Authors: Shao, S. / Murray, J. / Brown, A. / Taunton, J. / Ramakrishnan, V. / Hegde, R.S. | ||||||||||||
History |
|
-
Structure visualization
Movie |
![]() |
---|---|
Structure viewer | Molecule: ![]() ![]() |
-
Downloads & links
-
Download
PDBx/mmCIF format | ![]() | 5.5 MB | Display | ![]() |
---|---|---|---|---|
PDB format | ![]() | Display | ![]() | |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.9 MB | Display | ![]() |
---|---|---|---|---|
Full document | ![]() | 2 MB | Display | |
Data in XML | ![]() | 365.7 KB | Display | |
Data in CIF | ![]() | 630 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 4131MC ![]() 4129C ![]() 4130C ![]() 4132C ![]() 4133C ![]() 4134C ![]() 4135C ![]() 4136C ![]() 4137C ![]() 5lzsC ![]() 5lzuC ![]() 5lzvC ![]() 5lzwC ![]() 5lzxC ![]() 5lzyC ![]() 5lzzC M: map data used to model this data C: citing same article ( |
---|---|
Similar structure data |
-
Links
-
Assembly
Deposited unit | ![]()
|
---|---|
1 |
|
-
Components
+Protein , 78 types, 78 molecules ABCDEFGHIJLMNOPQRSTUVWXYZabcde...
-Protein/peptide , 2 types, 2 molecules n1
#39: Protein/peptide | Mass: 3473.451 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
---|---|
#45: Protein/peptide | Mass: 1788.032 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
-RNA chain , 7 types, 7 molecules 235789hh
#46: RNA chain | Mass: 24436.551 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
---|---|
#47: RNA chain | Mass: 24102.275 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#48: RNA chain | Mass: 1148115.375 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#49: RNA chain | Mass: 38691.914 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#50: RNA chain | Mass: 50143.648 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#51: RNA chain | Mass: 602778.875 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#85: RNA chain | Mass: 4753.857 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() ![]() |
-Non-polymers , 3 types, 291 molecules 




#88: Chemical | ChemComp-MG / #89: Chemical | ChemComp-ZN / #90: Chemical | ChemComp-GCP / | |
---|
-Details
Has protein modification | Y |
---|
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
---|---|
EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-
Sample preparation
Component | Name: Affinity-purified 80S ribosome-nascent chain complex reconstituted with eRF1 and eRF3. Type: RIBOSOME / Entity ID: #1-#87 / Source: NATURAL | |||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Molecular weight | Value: 3.3 MDa / Experimental value: NO | |||||||||||||||||||||||||
Source (natural) | Organism: ![]() ![]() | |||||||||||||||||||||||||
Buffer solution | pH: 7.4 | |||||||||||||||||||||||||
Buffer component |
| |||||||||||||||||||||||||
Specimen | Conc.: 0.2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | |||||||||||||||||||||||||
Specimen support | Grid material: COPPER / Grid mesh size: 400 divisions/in. / Grid type: Quantifoil R2/2 | |||||||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK III / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K Details: 3 ul aliquots were applied to the grid and incubated for 30 s, before blotting for 3s to remove excess solution. |
-
Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
---|---|
Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 59000 X / Calibrated magnification: 104478 X / Cs: 2.7 mm / C2 aperture diameter: 70 µm / Alignment procedure: COMA FREE |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Average exposure time: 1 sec. / Electron dose: 30 e/Å2 / Detector mode: INTEGRATING / Film or detector model: FEI FALCON II (4k x 4k) / Num. of real images: 2611 |
Image scans | Movie frames/image: 16 |
-
Processing
Software | Name: REFMAC / Version: 5.8.0124 / Classification: refinement | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
EM software |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 211664 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 3.65 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 61752 / Symmetry type: POINT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | B value: 63.3 / Protocol: OTHER / Space: RECIPROCAL / Target criteria: FSCaverage | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | Resolution: 3.65→300.16 Å / Cor.coef. Fo:Fc: 0.879 / SU B: 28.364 / SU ML: 0.425 / ESU R: 1.362 Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | Solvent model: PARAMETERS FOR MASK CACLULATION | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 93.613 Å2
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: 1 / Total: 222676 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
|