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Yorodumi- PDB-7n1p: Elongating 70S ribosome complex in a classical pre-translocation ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 7n1p | ||||||
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Title | Elongating 70S ribosome complex in a classical pre-translocation (PRE-C) conformation | ||||||
Components |
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Keywords | RIBOSOME / Elongation complex / tRNA / mRNA | ||||||
Function / homology | Function and homology information negative regulation of cytoplasmic translational initiation / stringent response / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / translational termination ...negative regulation of cytoplasmic translational initiation / stringent response / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / translational termination / four-way junction DNA binding / DnaA-L2 complex / translation repressor activity / negative regulation of translational initiation / negative regulation of DNA-templated DNA replication initiation / regulation of mRNA stability / mRNA regulatory element binding translation repressor activity / ribosome assembly / assembly of large subunit precursor of preribosome / 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 / large ribosomal subunit rRNA binding / small ribosomal subunit / 5S 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 / 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) Escherichia coli BL21 (bacteria) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.33 Å | ||||||
Authors | Rundlet, E.J. / Holm, M. / Schacherl, M. / Natchiar, S.K. / Altman, R.B. / Spahn, C.M.T. / Myasnikov, A.G. / Blanchard, S.C. | ||||||
Citation | Journal: Nature / Year: 2021 Title: Structural basis of early translocation events on the ribosome. Authors: Emily J Rundlet / Mikael Holm / Magdalena Schacherl / S Kundhavai Natchiar / Roger B Altman / Christian M T Spahn / Alexander G Myasnikov / Scott C Blanchard / Abstract: Peptide-chain elongation during protein synthesis entails sequential aminoacyl-tRNA selection and translocation reactions that proceed rapidly (2-20 per second) and with a low error rate (around ...Peptide-chain elongation during protein synthesis entails sequential aminoacyl-tRNA selection and translocation reactions that proceed rapidly (2-20 per second) and with a low error rate (around 10 to 10 at each step) over thousands of cycles. The cadence and fidelity of ribosome transit through mRNA templates in discrete codon increments is a paradigm for movement in biological systems that must hold for diverse mRNA and tRNA substrates across domains of life. Here we use single-molecule fluorescence methods to guide the capture of structures of early translocation events on the bacterial ribosome. Our findings reveal that the bacterial GTPase elongation factor G specifically engages spontaneously achieved ribosome conformations while in an active, GTP-bound conformation to unlock and initiate peptidyl-tRNA translocation. These findings suggest that processes intrinsic to the pre-translocation ribosome complex can regulate the rate of protein synthesis, and that energy expenditure is used later in the translocation mechanism than previously proposed. | ||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | Molecule: MolmilJmol/JSmol |
-Downloads & links
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PDBx/mmCIF format | 7n1p.cif.gz | 3.3 MB | Display | PDBx/mmCIF format |
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PDB format | pdb7n1p.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 7n1p.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7n1p_validation.pdf.gz | 1.9 MB | Display | wwPDB validaton report |
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Full document | 7n1p_full_validation.pdf.gz | 2 MB | Display | |
Data in XML | 7n1p_validation.xml.gz | 234.2 KB | Display | |
Data in CIF | 7n1p_validation.cif.gz | 396.8 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/n1/7n1p ftp://data.pdbj.org/pub/pdb/validation_reports/n1/7n1p | HTTPS FTP |
-Related structure data
Related structure data | 24120MC 7n2cC 7n2uC 7n2vC 7n30C 7n31C M: map data used to model this data C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
-RNA chain , 6 types, 6 molecules 16mR235PtDt
#1: RNA chain | Mass: 499873.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: 16S rRNA / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: GenBank: 1789840096 |
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#22: RNA chain | Mass: 19128.443 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli BL21 (bacteria) |
#23: RNA chain | Mass: 941795.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 |
#24: RNA chain | Mass: 38790.090 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: GenBank: 991970073 |
#56: RNA chain | Mass: 24703.834 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: tRNA / Source: (gene. exp.) Escherichia coli K-12 (bacteria) / Strain: MRE600 / Production host: Escherichia coli K-12 (bacteria) / Strain (production host): MRE600 |
#58: RNA chain | Mass: 24733.969 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli K-12 (bacteria) / Strain: MRE600 / Production host: Escherichia coli K-12 (bacteria) / Strain (production host): MRE600 |
-30S ribosomal protein ... , 20 types, 20 molecules SBSCSDSESFSGSHSISJSKSLSMSNSOSPSQSRSSSTSU
#2: Protein | Mass: 26781.670 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal protein S2 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7V0 |
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#3: Protein | Mass: 26031.316 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal protein S3 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7V3 |
#4: Protein | Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S4 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7V8 |
#5: Protein | Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S5 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7W1 |
#6: Protein | Mass: 15727.512 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S6 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P02358 |
#7: Protein | Mass: 20055.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S7 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P02359 |
#8: Protein | Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S8 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7W7 |
#9: Protein | Mass: 14886.270 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S10 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7X3 |
#10: Protein | Mass: 11755.597 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S10 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7R5 |
#11: Protein | Mass: 13870.975 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S11 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7R9 |
#12: Protein | Mass: 13814.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S12 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: A0A4S5B3M5 |
#13: Protein | Mass: 13128.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S13 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7S9 |
#14: Protein | Mass: 11606.560 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S14 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0AG59 |
#15: Protein | Mass: 10290.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S15 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0ADZ4 |
#16: Protein | Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S16 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7T3 |
#17: Protein | Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S17 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0AG63 |
#18: Protein | Mass: 9005.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S18 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7T7 |
#19: Protein | Mass: 10455.355 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S19 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7U3 |
#20: Protein | Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: Ribosomal Protein S20 / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P0A7U7 |
#21: Protein | Mass: 8524.039 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: MRE600 / References: UniProt: P68679 |
+50S ribosomal protein ... , 31 types, 31 molecules LBLCLDLELFLILJLKLMLNLOLPLQLRLSLTLULVLWLXLYLaLbLcLdLeLfLgLhLiLj
-Protein/peptide , 1 types, 1 molecules Pp
#57: Protein/peptide | Mass: 425.565 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 |
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-Non-polymers , 6 types, 484 molecules
#59: Chemical | ChemComp-PUT / #60: Chemical | ChemComp-MG / #61: Chemical | #62: Chemical | #63: Chemical | ChemComp-SPD / #64: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | 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 |
-Sample preparation
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Source (natural) |
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Source (recombinant) | Organism: Escherichia coli K-12 (bacteria) / Strain: MRE600 | ||||||||||||||||||||||||||||||
Buffer solution | pH: 7.5 | ||||||||||||||||||||||||||||||
Specimen | Conc.: 5.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||
Specimen support | Grid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3 | ||||||||||||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 283 K |
-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: 87 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
-Processing
CTF correction | Type: PHASE FLIPPING ONLY |
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3D reconstruction | Resolution: 2.33 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 109769 / Symmetry type: POINT |
Atomic model building | Protocol: OTHER / Space: REAL |