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Open data
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Basic information
Entry | Database: PDB / ID: 7bl4 | ||||||||||||
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Title | in vitro reconstituted 50S-ObgE-GMPPNP-RsfS particle | ||||||||||||
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![]() | RIBOSOME / pre-50S / ribosome biogenesis / ribosome assembly | ||||||||||||
Function / homology | ![]() 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 / ribosomal large subunit assembly / chromosome segregation / response to reactive oxygen species / translational initiation / regulation of cell growth / DNA-templated transcription termination / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / response to radiation / mRNA 5'-UTR binding / GDP binding / large ribosomal subunit / ribosome binding / transferase activity / 5S rRNA binding / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / rRNA binding / negative regulation of translation / 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 / cytoplasm / cytosol Similarity search - Function | ||||||||||||
Biological species | ![]() ![]() | ||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.4 Å | ||||||||||||
![]() | Hilal, T. / Nikolay, R. / Spahn, C.M.T. | ||||||||||||
Funding support | ![]()
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![]() | ![]() 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. | ||||||||||||
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 2.1 MB | Display | ![]() |
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PDB format | ![]() | 1.6 MB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 12217MC ![]() 7bl2C ![]() 7bl3C ![]() 7bl5C ![]() 7bl6C M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Links
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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) ![]() ![]() |
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#30: RNA chain | Mass: 38483.926 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
-Protein , 2 types, 2 molecules 69
#31: Protein | Mass: 11594.205 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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#32: Protein | Mass: 43340.801 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() References: UniProt: P42641, Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement |
-Non-polymers , 4 types, 44 molecules ![](data/chem/img/ZN.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/GNP.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/GNP.gif)
![](data/chem/img/HOH.gif)
#34: Chemical | #35: Chemical | ChemComp-MG / #36: Chemical | ChemComp-GNP / | #37: 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 |
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Sample preparation
Component | Name: in vitro reconstituted 50S-RsfS-ObgE-GMPPNP complex / Type: RIBOSOME / Entity ID: #1-#33 / Source: NATURAL |
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Molecular weight | Value: 1.5 MDa / Experimental value: NO |
Source (natural) | Organism: ![]() ![]() |
Buffer solution | pH: 7.5 |
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: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 96000 X / Nominal defocus min: 800 nm / Calibrated defocus min: 2200 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: 30 e/Å2 / Detector mode: COUNTING / Film or detector model: FEI FALCON III (4k x 4k) |
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Processing
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EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 579832 | ||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 190393 / Symmetry type: POINT | ||||||||||||||||||||||||||||
Refinement | Cross valid method: NONE Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2 | ||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 108.63 Å2 | ||||||||||||||||||||||||||||
Refine LS restraints |
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