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- PDB-8crx: Cutibacterium acnes 70S ribosome with mRNA, P-site tRNA and Sarec... -
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Open data
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Basic information
Entry | Database: PDB / ID: 8crx | ||||||
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Title | Cutibacterium acnes 70S ribosome with mRNA, P-site tRNA and Sarecycline bound | ||||||
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![]() | ANTIBIOTIC / ribosome / sarecycline / acne | ||||||
Function / homology | ![]() large ribosomal subunit / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / small ribosomal subunit rRNA binding / transferase activity / 5S rRNA binding / large ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / cytosolic large ribosomal subunit ...large ribosomal subunit / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / small ribosomal subunit rRNA binding / transferase activity / 5S rRNA binding / large ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / rRNA binding / negative regulation of translation / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / mRNA binding / RNA binding / zinc ion binding / metal ion binding / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.78 Å | ||||||
![]() | Lomakin, I.B. / Devarkar, S.C. / Bunick, C.G. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Sarecycline inhibits protein translation in Cutibacterium acnes 70S ribosome using a two-site mechanism. Authors: Ivan B Lomakin / Swapnil C Devarkar / Shivali Patel / Ayman Grada / Christopher G Bunick / ![]() Abstract: Acne vulgaris is a chronic disfiguring skin disease affecting ∼1 billion people worldwide, often having persistent negative effects on physical and mental health. The Gram-positive anaerobe, ...Acne vulgaris is a chronic disfiguring skin disease affecting ∼1 billion people worldwide, often having persistent negative effects on physical and mental health. The Gram-positive anaerobe, Cutibacterium acnes is implicated in acne pathogenesis and is, therefore, a main target for antibiotic-based acne therapy. We determined a 2.8-Å resolution structure of the 70S ribosome of Cutibacterium acnes by cryogenic electron microscopy and discovered that sarecycline, a narrow-spectrum antibiotic against Cutibacterium acnes, may inhibit two active sites of this bacterium's ribosome in contrast to the one site detected previously on the model ribosome of Thermus thermophilus. Apart from the canonical binding site at the mRNA decoding center, the second binding site for sarecycline exists at the nascent peptide exit tunnel, reminiscent of the macrolides class of antibiotics. The structure also revealed Cutibacterium acnes-specific features of the ribosomal RNA and proteins. Unlike the ribosome of the Gram-negative bacterium Escherichia coli, Cutibacterium acnes ribosome has two additional proteins, bS22 and bL37, which are also present in the ribosomes of Mycobacterium smegmatis and Mycobacterium tuberculosis. We show that bS22 and bL37 have antimicrobial properties and may be involved in maintaining the healthy homeostasis of the human skin microbiome. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 3.2 MB | Display | ![]() |
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PDB format | ![]() | Display | ![]() | |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 26959MC ![]() 8cvmC ![]() 8cvoC ![]() 8cwoC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Components
-RNA chain , 5 types, 5 molecules AabYC
#1: RNA chain | Mass: 498742.875 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#49: RNA chain | Mass: 1002554.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#50: RNA chain | Mass: 38770.055 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#52: RNA chain | Mass: 7115.308 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() ![]() |
#53: RNA chain | Mass: 24846.902 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
-30S ribosomal protein ... , 20 types, 20 molecules DEFHKLOQRTPXGIJMNSUB
#2: Protein | Mass: 23271.605 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#3: Protein | Mass: 22603.695 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#4: Protein | Mass: 11270.147 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#5: Protein | Mass: 14677.930 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#6: Protein | Mass: 14194.463 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#7: Protein | Mass: 13666.084 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#8: Protein | Mass: 10102.760 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#9: Protein | Mass: 10475.277 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#10: Protein | Mass: 8817.497 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#11: Protein | Mass: 9724.277 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#12: Protein | Mass: 15980.861 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#13: Protein/peptide | Mass: 4120.248 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#14: Protein | Mass: 29728.719 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#15: Protein | Mass: 17615.482 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#16: Protein | Mass: 18630.139 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#17: Protein | Mass: 11750.766 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#18: Protein | Mass: 14030.231 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#19: Protein | Mass: 6924.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#20: Protein | Mass: 10536.264 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#21: Protein | Mass: 31583.166 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
+50S ribosomal protein ... , 29 types, 29 molecules cdefgijklmnopqrstuvwxyz0124V3
-Non-polymers , 4 types, 522 molecules ![](data/chem/img/V7A.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/HOH.gif)
#55: Chemical | #56: Chemical | ChemComp-MG / #57: Chemical | ChemComp-ZN / #58: 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: 70S ribosome with mRNA, P-site tRNA and Sarecycline bound Type: RIBOSOME / Entity ID: #1-#54 / Source: NATURAL |
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Molecular weight | Experimental value: NO |
Source (natural) | Organism: ![]() |
Buffer solution | pH: 7.4 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Specimen support | Details: 25 mA / Grid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: C-flat-2/1 |
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % |
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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 defocus max: 2000 nm / Nominal defocus min: 500 nm / Cs: 2.7 mm / C2 aperture diameter: 50 µm |
Specimen holder | Cryogen: NITROGEN |
Image recording | Average exposure time: 2.1 sec. / Electron dose: 30.56 e/Å2 / Film or detector model: GATAN K3 (6k 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: 1108852 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.78 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 70853 / Algorithm: FOURIER SPACE / Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | Protocol: FLEXIBLE FIT / Space: REAL | ||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | Cross valid method: NONE |