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Open data
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Basic information
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Title | Porphyromonas gingivalis 70S ribosome (W83 Strain) | |||||||||
![]() | Combined 50S, 30S-body,and 30S-head obtained from Multibody refinement of RELION and aligned to consensus map | |||||||||
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![]() | Antibiotic / Lefamulin / RIBOSOME | |||||||||
Function / homology | ![]() large ribosomal subunit / transferase activity / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / small ribosomal subunit rRNA binding / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding ...large ribosomal subunit / transferase activity / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / small ribosomal subunit rRNA binding / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding / structural constituent of ribosome / ribosome / translation / ribonucleoprotein complex / mRNA binding / RNA binding / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.0 Å | |||||||||
![]() | Hiregange DG / Bashan A / Yonath A | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural studies of ribosome from an anaerobic Bacteroidetes human pathogen Porphyromonas gingivalis. Authors: Disha-Gajanan Hiregange / Sarit Samiya / Danuta Mizgalska / Efrat Ben-Zeev / Miriam Waghalter / Andre Rivalta / K Shanmugha Rajan / Yehuda Halfon / Elinor Breiner-Goldstein / Igor ...Authors: Disha-Gajanan Hiregange / Sarit Samiya / Danuta Mizgalska / Efrat Ben-Zeev / Miriam Waghalter / Andre Rivalta / K Shanmugha Rajan / Yehuda Halfon / Elinor Breiner-Goldstein / Igor Kaczmarczyk / Aneta Sroka / Masato Taoka / Yuko Nobe / Toshiaki Isobe / Susanne Paukner / Ella Zimmerman / Anat Bashan / Jan Potempa / Ada Yonath / ![]() ![]() ![]() ![]() ![]() Abstract: Porphyromonas gingivalis, an anaerobic pathogen in chronic periodontitis, belongs to the Bacteroidota phylum and is associated with various virulence factors. Its antibiotic-resistant strains and its ...Porphyromonas gingivalis, an anaerobic pathogen in chronic periodontitis, belongs to the Bacteroidota phylum and is associated with various virulence factors. Its antibiotic-resistant strains and its propensity to form biofilms pose a challenge to effective treatment. To explore therapeutic avenues, we studied the high-resolution cryogenic electron microscope structures of ribosomes from the wild-type P. gingivalis W83 and the macrolide-resistant mutant strain ermΔporN. The structural analysis revealed unique features primarily at the ribosome periphery. Together with the distinctive distribution of ribosomal RNA modifications, these findings offer insights into the therapeutical potential, such as creation of novel therapeutic compounds inhibiting the specific cellular functions of the P. gingivalis ribosomes. Moreover, the high-resolution structure of the ermΔporN ribosome in its complex with the approved antibiotic lefamulin suggests its repurposing against P. gingivalis. Furthermore, we provide a foundation for additional effective strategies to treat periodontitis and associated systemic diseases. | |||||||||
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 37.2 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 65.3 KB 65.3 KB | Display Display | ![]() |
Images | ![]() | 61 KB | ||
Filedesc metadata | ![]() | 13.6 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 473.8 KB | Display | ![]() |
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Full document | ![]() | 473.4 KB | Display | |
Data in XML | ![]() | 7.2 KB | Display | |
Data in CIF | ![]() | 8.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 9i5xMC ![]() 9i5tC ![]() 9i5vC ![]() 52769 C: citing same article ( M: atomic model generated by this map |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | Combined 50S, 30S-body,and 30S-head obtained from Multibody refinement of RELION and aligned to consensus map | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.842 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
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Sample components
+Entire : Porphyromonas gingivalis 70S ribosome (W83 Strain)
+Supramolecule #1: Porphyromonas gingivalis 70S ribosome (W83 Strain)
+Macromolecule #1: Small ribosomal subunit protein uS19
+Macromolecule #2: Large ribosomal subunit protein bL28
+Macromolecule #3: Large ribosomal subunit protein uL29
+Macromolecule #4: Large ribosomal subunit protein uL30
+Macromolecule #5: Large ribosomal subunit protein bL32
+Macromolecule #6: Large ribosomal subunit protein bL33
+Macromolecule #7: Large ribosomal subunit protein bL34
+Macromolecule #8: Large ribosomal subunit protein bL35
+Macromolecule #9: Large ribosomal subunit protein bL36
+Macromolecule #12: Large ribosomal subunit protein uL2
+Macromolecule #13: Large ribosomal subunit protein uL3
+Macromolecule #14: Large ribosomal subunit protein uL4
+Macromolecule #15: Small ribosomal subunit protein uS10
+Macromolecule #16: Small ribosomal subunit protein uS11
+Macromolecule #17: Large ribosomal subunit protein uL13
+Macromolecule #18: Large ribosomal subunit protein uL14
+Macromolecule #19: Large ribosomal subunit protein uL15
+Macromolecule #20: Large ribosomal subunit protein uL16
+Macromolecule #21: Large ribosomal subunit protein bL17
+Macromolecule #22: Large ribosomal subunit protein uL18
+Macromolecule #23: Large ribosomal subunit protein bL19
+Macromolecule #24: Large ribosomal subunit protein bL20
+Macromolecule #25: Large ribosomal subunit protein bL21
+Macromolecule #26: Large ribosomal subunit protein uL22
+Macromolecule #27: Large ribosomal subunit protein uL23
+Macromolecule #28: Large ribosomal subunit protein uL24
+Macromolecule #29: Large ribosomal subunit protein bL27
+Macromolecule #31: Small ribosomal subunit protein bS6
+Macromolecule #32: Small ribosomal subunit protein bS16
+Macromolecule #33: Small ribosomal subunit protein bS20
+Macromolecule #34: Small ribosomal subunit protein uS17
+Macromolecule #35: Small ribosomal subunit protein uS15
+Macromolecule #36: Small ribosomal subunit protein uS14
+Macromolecule #37: Large ribosomal subunit protein bL9
+Macromolecule #38: Small ribosomal subunit protein uS13
+Macromolecule #39: Small ribosomal subunit protein uS12
+Macromolecule #40: Small ribosomal subunit protein uS3
+Macromolecule #41: Small ribosomal subunit protein uS4
+Macromolecule #42: Small ribosomal subunit protein uS7
+Macromolecule #43: Small ribosomal subunit protein uS5
+Macromolecule #44: Large ribosomal subunit protein bL25
+Macromolecule #45: Small ribosomal subunit protein uS8
+Macromolecule #46: AURKAIP1/COX24 domain-containing protein
+Macromolecule #47: Small ribosomal subunit protein uS9
+Macromolecule #48: Small ribosomal subunit protein bS18
+Macromolecule #10: 23S rRNA
+Macromolecule #11: 5S rRNA
+Macromolecule #30: 16S rRNA
+Macromolecule #49: MAGNESIUM ION
+Macromolecule #50: ZINC ION
+Macromolecule #51: POTASSIUM ION
+Macromolecule #52: SODIUM ION
+Macromolecule #53: water
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.5 |
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Grid | Model: Quantifoil R2/2 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: CONTINUOUS |
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | TFS KRIOS |
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Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 1.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.5 µm / Nominal defocus min: 0.5 µm |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |