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Yorodumi- PDB-8p18: E167K RF2 on E. coli 70S release complex with UGG (Structure III) -
+Open data
-Basic information
Entry | Database: PDB / ID: 8p18 | ||||||||||||||||||||||||||||||
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Title | E167K RF2 on E. coli 70S release complex with UGG (Structure III) | ||||||||||||||||||||||||||||||
Components |
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Keywords | RIBOSOME / release factor / translation termination / charge-flip mutation / near-cognate codon recognition | ||||||||||||||||||||||||||||||
Function / homology | Function and homology information translation release factor activity, codon specific / negative regulation of cytoplasmic translational initiation / stringent response / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / misfolded RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity ...translation release factor activity, codon specific / negative regulation of cytoplasmic translational initiation / stringent response / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / misfolded RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / four-way junction DNA binding / translational termination / DnaA-L2 complex / translation repressor activity / negative regulation of DNA-templated DNA replication initiation / negative regulation of translational initiation / regulation of mRNA stability / mRNA regulatory element binding translation repressor activity / ribosome assembly / assembly of large subunit precursor of preribosome / positive regulation of RNA splicing / transcription elongation factor complex / cytosolic ribosome assembly / regulation of DNA-templated transcription elongation / DNA endonuclease activity / response to reactive oxygen species / transcription antitermination / regulation of cell growth / translational initiation / DNA-templated transcription termination / maintenance of translational fidelity / response to radiation / mRNA 5'-UTR binding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / large ribosomal subunit / ribosome biogenesis / ribosome binding / regulation of translation / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / large ribosomal subunit rRNA binding / transferase activity / cytosolic small ribosomal subunit / ribosomal large subunit assembly / cytoplasmic translation / cytosolic large ribosomal subunit / tRNA binding / molecular adaptor activity / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / translation / viral translational frameshifting / response to antibiotic / negative regulation of DNA-templated transcription / mRNA binding / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm Similarity search - Function | ||||||||||||||||||||||||||||||
Biological species | Escherichia coli K-12 (bacteria) Escherichia coli (E. coli) | ||||||||||||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.77 Å | ||||||||||||||||||||||||||||||
Authors | Pundir, S. / Larsson, D.S.D. / Selmer, M. / Sanyal, S. | ||||||||||||||||||||||||||||||
Funding support | Sweden, United States, 9items
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Citation | Journal: To Be Published Title: The compensatory mechanism of a naturally evolved E167K RF2 counteracting the loss of RF1 in bacteria Authors: Pundir, S. / Larsson, D.S.D. / Selmer, M. / Sanyal, S. | ||||||||||||||||||||||||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8p18.cif.gz | 4.5 MB | Display | PDBx/mmCIF format |
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PDB format | pdb8p18.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 8p18.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8p18_validation.pdf.gz | 2 MB | Display | wwPDB validaton report |
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Full document | 8p18_full_validation.pdf.gz | 2.1 MB | Display | |
Data in XML | 8p18_validation.xml.gz | 223.4 KB | Display | |
Data in CIF | 8p18_validation.cif.gz | 391.4 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/p1/8p18 ftp://data.pdbj.org/pub/pdb/validation_reports/p1/8p18 | HTTPS FTP |
-Related structure data
Related structure data | 17348MC 8p16C 8p17C 8qk7C M: map data used to model this data C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
-RNA chain , 5 types, 5 molecules 24513
#1: RNA chain | Mass: 499873.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1758835854 |
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#22: RNA chain | Mass: 15804.378 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli (E. coli) |
#23: RNA chain | Mass: 24497.602 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli (E. coli) / References: GenBank: 1848851804 |
#24: RNA chain | Mass: 941811.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) |
#25: RNA chain | Mass: 38790.090 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: CP035706.1 |
-Small ribosomal subunit protein ... , 18 types, 18 molecules ghijmnopqrstuvwxyz
#2: Protein | Mass: 26781.670 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7V0 |
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#3: Protein | Mass: 26031.316 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7V3 |
#4: Protein | Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7V8 |
#5: Protein | Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7W1 |
#8: Protein | Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7W7 |
#9: Protein | Mass: 14886.270 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7X3 |
#10: Protein | Mass: 11755.597 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7R5 |
#11: Protein | Mass: 13871.959 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7R9 |
#12: Protein | Mass: 13814.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7S3 |
#13: Protein | Mass: 13128.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7S9 |
#14: Protein | Mass: 11606.560 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG59 |
#15: Protein | Mass: 10290.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0ADZ4 |
#16: Protein | Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7T3 |
#17: Protein | Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG63 |
#18: Protein | Mass: 9005.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7T7 |
#19: Protein | Mass: 10455.355 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7U3 |
#20: Protein | Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7U7 |
#21: Protein | Mass: 8524.039 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P68679 |
-30S ribosomal protein ... , 2 types, 2 molecules kl
#6: Protein | Mass: 15727.512 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P02358 |
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#7: Protein | Mass: 20055.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P02359 |
+50S ribosomal protein ... , 28 types, 28 molecules BCDEFJKLNOPQRSTUVWXYZbcdefIG
-Large ribosomal subunit protein ... , 2 types, 2 molecules Ma
#34: Protein | Mass: 15329.343 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0ADY7 |
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#53: Protein | Mass: 7887.117 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7M9 |
-Protein , 1 types, 1 molecules 6
#55: Protein | Mass: 41314.754 Da / Num. of mol.: 1 / Mutation: E167K Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli K-12 (bacteria) / Gene: prfB, supK, b2891, JW5847 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P07012 |
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-Non-polymers , 7 types, 478 molecules
#57: Chemical | ChemComp-MG / #58: Chemical | ChemComp-SPD / #59: Chemical | ChemComp-K / #60: Chemical | ChemComp-PUT / #61: Chemical | ChemComp-SPM / | #62: Chemical | #63: 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 |
-Sample preparation
Component | Name: Ribosome Release Complex / Type: RIBOSOME / Entity ID: #1-#56 / Source: NATURAL | |||||||||||||||||||||||||||||||||||||||||||||
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Molecular weight | Value: 2.7 MDa / Experimental value: NO | |||||||||||||||||||||||||||||||||||||||||||||
Source (natural) | Organism: Escherichia coli (E. coli) / Strain: MRE600 | |||||||||||||||||||||||||||||||||||||||||||||
Buffer solution | pH: 7.5 / Details: HEPES-polymix buffer (pH-7.5) | |||||||||||||||||||||||||||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 1.1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES Details: E167K mutant RF2 bound to the ribosome release complex containing Trp UGG codon in the A-site | |||||||||||||||||||||||||||||||||||||||||||||
Specimen support | Grid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/2 | |||||||||||||||||||||||||||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 277 K |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: TFS 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: 1300 nm / Nominal defocus min: 500 nm / Cs: 2.7 mm / C2 aperture diameter: 50 µm / Alignment procedure: ZEMLIN TABLEAU |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Electron dose: 38.14 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of grids imaged: 1 / Num. of real images: 8135 |
EM imaging optics | Energyfilter name: GIF Bioquantum / Energyfilter slit width: 20 eV |
Image scans | Sampling size: 5 µm / Width: 3840 / Height: 3712 / Movie frames/image: 37 |
-Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 784776 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.77 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 21004 / Algorithm: FOURIER SPACE / Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | B value: 78.7 / Protocol: FLEXIBLE FIT / Space: REAL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | 3D fitting-ID: 1 / Source name: PDB / Type: experimental model
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Refinement | Cross valid method: NONE | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
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