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Yorodumi- PDB-6ddd: Structure of the 50S ribosomal subunit from Methicillin Resistant... -
+Open data
-Basic information
Entry | Database: PDB / ID: 6ddd | ||||||
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Title | Structure of the 50S ribosomal subunit from Methicillin Resistant Staphylococcus aureus in complex with the oxazolidinone antibiotic LZD-5 | ||||||
Components |
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Keywords | Ribosome/Antibiotic / antibiotic complex / linezolid / oxazolidinone / 50S / ribosome / Ribosome-Antibiotic complex | ||||||
Function / homology | Function and homology information large ribosomal subunit / 5S rRNA binding / large ribosomal subunit rRNA binding / transferase activity / ribosomal large subunit assembly / cytoplasmic translation / cytosolic large ribosomal subunit / tRNA binding / negative regulation of translation / rRNA binding ...large ribosomal subunit / 5S rRNA binding / large ribosomal subunit rRNA binding / transferase activity / ribosomal large subunit assembly / cytoplasmic translation / cytosolic large ribosomal subunit / tRNA binding / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / mRNA binding / RNA binding / cytoplasm Similarity search - Function | ||||||
Biological species | Staphylococcus aureus (bacteria) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.1 Å | ||||||
Authors | Belousoff, M.J. / Venugopal, H. / Bamert, R.S. / Lithgow, T. | ||||||
Funding support | Australia, 1items
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Citation | Journal: ChemMedChem / Year: 2019 Title: cryoEM-Guided Development of Antibiotics for Drug-Resistant Bacteria. Authors: Matthew J Belousoff / Hari Venugopal / Alexander Wright / Samuel Seoner / Isabella Stuart / Chris Stubenrauch / Rebecca S Bamert / David W Lupton / Trevor Lithgow / Abstract: While the ribosome is a common target for antibiotics, challenges with crystallography can impede the development of new bioactives using structure-based drug design approaches. In this study we ...While the ribosome is a common target for antibiotics, challenges with crystallography can impede the development of new bioactives using structure-based drug design approaches. In this study we exploit common structural features present in linezolid-resistant forms of both methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus (VRE) to redesign the antibiotic. Enabled by rapid and facile cryoEM structures, this process has identified (S)-2,2-dichloro-N-((3-(3-fluoro-4-morpholinophenyl)-2-oxooxazolidin-5-yl)methyl)acetamide (LZD-5) and (S)-2-chloro-N-((3-(3-fluoro-4-morpholinophenyl)-2-oxooxazolidin-5-yl)methyl) acetamide (LZD-6), which inhibit the ribosomal function and growth of linezolid-resistant MRSA and VRE. The strategy discussed highlights the potential for cryoEM to facilitate the development of novel bioactive materials. | ||||||
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 | 6ddd.cif.gz | 1.7 MB | Display | PDBx/mmCIF format |
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PDB format | pdb6ddd.ent.gz | 1.3 MB | Display | PDB format |
PDBx/mmJSON format | 6ddd.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 6ddd_validation.pdf.gz | 1.1 MB | Display | wwPDB validaton report |
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Full document | 6ddd_full_validation.pdf.gz | 1.3 MB | Display | |
Data in XML | 6ddd_validation.xml.gz | 134 KB | Display | |
Data in CIF | 6ddd_validation.cif.gz | 221.8 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/dd/6ddd ftp://data.pdbj.org/pub/pdb/validation_reports/dd/6ddd | HTTPS FTP |
-Related structure data
Related structure data | 7867MC 7870C 6ddgC 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 ... , 25 types, 25 molecules ABCDEFGHIJKLMNOPQRSVWXYZa
-RNA chain , 2 types, 2 molecules 12
#26: RNA chain | Mass: 946696.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: GenBank: 1269117575 |
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#27: RNA chain | Mass: 36974.945 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: GenBank: 1333434557 |
-Non-polymers , 1 types, 1 molecules
#28: Chemical | ChemComp-G6V / |
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-Details
Has protein modification | 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
Component | Name: 50S Ribosomal subunit from MRSA in complex with oxazolidinone LZD-5 Type: RIBOSOME / Entity ID: #1-#27 / Source: NATURAL | ||||||||||||||||||||||||
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Molecular weight | Experimental value: NO | ||||||||||||||||||||||||
Source (natural) | Organism: Staphylococcus aureus (bacteria) | ||||||||||||||||||||||||
Buffer solution | pH: 7.4 | ||||||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 0.3 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||
Specimen support | Grid material: COPPER / Grid mesh size: 200 divisions/in. / Grid type: Quantifoil R2/1 | ||||||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK III / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 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: SPOT SCAN |
Electron lens | Mode: BRIGHT FIELD |
Image recording | Electron dose: 35 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
-Processing
Software | Name: PHENIX / Version: 1.13_2998 / Classification: refinement | ||||||||||||||||||||||||
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 49223 / Algorithm: FOURIER SPACE / Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||
Refinement | Stereochemistry target values: GeoStd + Monomer Library | ||||||||||||||||||||||||
Refine LS restraints |
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