+Open data
-Basic information
Entry | Database: PDB / ID: 7bl6 | ||||||||||||
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Title | 50S-ObgE-GMPPNP particle | ||||||||||||
Components |
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Keywords | RIBOSOME / pre-50S / ribosome biogenesis / ribosome assembly | ||||||||||||
Function / homology | Function and homology information guanyl ribonucleotide binding / dormancy process / negative regulation of ribosome biogenesis / negative regulation of cytoplasmic translational initiation / guanosine tetraphosphate binding / ribosomal large subunit binding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis ...guanyl ribonucleotide binding / dormancy process / negative regulation of ribosome biogenesis / negative regulation of cytoplasmic translational initiation / guanosine tetraphosphate binding / ribosomal large subunit binding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / DnaA-L2 complex / translation repressor activity / negative regulation of DNA-templated DNA replication initiation / mRNA regulatory element binding translation repressor activity / ribosome assembly / assembly of large subunit precursor of preribosome / cytosolic ribosome assembly / response to reactive oxygen species / chromosome segregation / regulation of cell growth / translational initiation / DNA-templated transcription termination / response to radiation / mRNA 5'-UTR binding / GDP binding / large ribosomal subunit / ribosome binding / 5S rRNA binding / large ribosomal subunit rRNA binding / transferase activity / ribosomal large subunit assembly / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / cytoplasmic translation / cytosolic large ribosomal subunit / tRNA binding / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / translation / response to antibiotic / negative regulation of DNA-templated transcription / GTPase activity / mRNA binding / GTP binding / magnesium ion binding / DNA binding / RNA binding / zinc ion binding / cytosol / cytoplasm Similarity search - Function | ||||||||||||
Biological species | Escherichia coli (E. coli) | ||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4 Å | ||||||||||||
Authors | Hilal, T. / Nikolay, R. / Schmidt, S. / Spahn, C.M.T. | ||||||||||||
Funding support | Germany, 3items
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Citation | Journal: Mol Cell / Year: 2021 Title: Snapshots of native pre-50S ribosomes reveal a biogenesis factor network and evolutionary specialization. Authors: Rainer Nikolay / Tarek Hilal / Sabine Schmidt / Bo Qin / David Schwefel / Carlos H Vieira-Vieira / Thorsten Mielke / Jörg Bürger / Justus Loerke / Kazuaki Amikura / Timo Flügel / Takuya ...Authors: Rainer Nikolay / Tarek Hilal / Sabine Schmidt / Bo Qin / David Schwefel / Carlos H Vieira-Vieira / Thorsten Mielke / Jörg Bürger / Justus Loerke / Kazuaki Amikura / Timo Flügel / Takuya Ueda / Matthias Selbach / Elke Deuerling / Christian M T Spahn / Abstract: Ribosome biogenesis is a fundamental multi-step cellular process that culminates in the formation of ribosomal subunits, whose production and modification are regulated by numerous biogenesis factors. ...Ribosome biogenesis is a fundamental multi-step cellular process that culminates in the formation of ribosomal subunits, whose production and modification are regulated by numerous biogenesis factors. In this study, we analyze physiologic prokaryotic ribosome biogenesis by isolating bona fide pre-50S subunits from an Escherichia coli strain with the biogenesis factor ObgE, affinity tagged at its native gene locus. Our integrative structural approach reveals a network of interacting biogenesis factors consisting of YjgA, RluD, RsfS, and ObgE on the immature pre-50S subunit. In addition, our study provides mechanistic insight into how the GTPase ObgE, in concert with other biogenesis factors, facilitates the maturation of the 50S functional core and reveals both conserved and divergent evolutionary features of ribosome biogenesis between prokaryotes and eukaryotes. | ||||||||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | Molecule: MolmilJmol/JSmol |
-Downloads & links
-Download
PDBx/mmCIF format | 7bl6.cif.gz | 2.1 MB | Display | PDBx/mmCIF format |
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PDB format | pdb7bl6.ent.gz | 1.6 MB | Display | PDB format |
PDBx/mmJSON format | 7bl6.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7bl6_validation.pdf.gz | 1.1 MB | Display | wwPDB validaton report |
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Full document | 7bl6_full_validation.pdf.gz | 1.3 MB | Display | |
Data in XML | 7bl6_validation.xml.gz | 146.5 KB | Display | |
Data in CIF | 7bl6_validation.cif.gz | 254.3 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/bl/7bl6 ftp://data.pdbj.org/pub/pdb/validation_reports/bl/7bl6 | HTTPS FTP |
-Related structure data
Related structure data | 12219MC 7bl2C 7bl3C 7bl4C 7bl5C 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
+50S ribosomal protein ... , 29 types, 29 molecules gCDEFGJLNOQRSTUVWXYZ012KPMHd3
-RNA chain , 2 types, 2 molecules AB
#29: RNA chain | Mass: 941612.375 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Variant: MG1655 / Strain: K12 |
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#30: RNA chain | Mass: 38483.926 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Variant: MG1655 / Strain: K12 |
-Protein , 1 types, 1 molecules 9
#31: Protein | Mass: 43340.801 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Variant: MG1655 / Strain: K12 References: UniProt: P42641, Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement |
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-Non-polymers , 4 types, 32 molecules
#33: Chemical | #34: Chemical | #35: Chemical | ChemComp-GNP / | #36: 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: in vitro reconstituted 50S-ObgE-GMPPNP / Type: RIBOSOME / Entity ID: #1-#32 / Source: NATURAL |
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Molecular weight | Value: 1.5 MDa / Experimental value: NO |
Source (natural) | Organism: Escherichia coli (E. coli) |
Buffer solution | pH: 7.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
-Electron microscopy imaging
Experimental equipment | Model: Talos Arctica / Image courtesy: FEI Company |
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Microscopy | Model: FEI TALOS ARCTICA |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 120000 X / Nominal defocus max: 2500 nm / Nominal defocus min: 1000 nm |
Image recording | Electron dose: 40 e/Å2 / Detector mode: INTEGRATING / Film or detector model: FEI FALCON III (4k x 4k) / Num. of real images: 2179 |
-Processing
Software |
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EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 83761 | ||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 45746 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||
Atomic model building | Protocol: RIGID BODY FIT / Space: REAL | ||||||||||||||||||||||||||||||||
Refinement | Cross valid method: NONE Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2 | ||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 268.67 Å2 | ||||||||||||||||||||||||||||||||
Refine LS restraints |
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