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Yorodumi- PDB-7vyv: Cryo-EM structure of Depo32, a Klebsiella phage depolymerase targ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 7vyv | ||||||||||||
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Title | Cryo-EM structure of Depo32, a Klebsiella phage depolymerase targets the K2 serotype K. pneumoniae | ||||||||||||
Components | Depolymerase | ||||||||||||
Keywords | LYASE / Depolymerase / Klebsiella pneumoniae / K2 capsular type / Capsular polysaccharides | ||||||||||||
Function / homology | biological process involved in interaction with host / Pectin lyase fold/virulence factor / viral life cycle / virion component / Depolymerase Function and homology information | ||||||||||||
Biological species | Klebsiella phage GH-K3 (virus) | ||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.32 Å | ||||||||||||
Authors | Cai, R. / Ren, Z. / Zhao, R. / Wang, X. / Guo, Z. / Du, R. / Han, W. / Ru, H. / Gu, J. | ||||||||||||
Funding support | China, 3items
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Citation | Journal: To Be Published Title: Depo32, a depolymerase of Klebsiella phage, efficiently controls infection caused by Klebsiella pneumoniae with K2 serotype CPS Authors: Cai, R. / Ren, Z. / Zhao, R. / Wang, X. / Guo, Z. / Du, R. / Han, W. / Ru, H. / Gu, J. | ||||||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7vyv.cif.gz | 415.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7vyv.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 7vyv.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7vyv_validation.pdf.gz | 1.1 MB | Display | wwPDB validaton report |
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Full document | 7vyv_full_validation.pdf.gz | 1.1 MB | Display | |
Data in XML | 7vyv_validation.xml.gz | 62.9 KB | Display | |
Data in CIF | 7vyv_validation.cif.gz | 99.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/vy/7vyv ftp://data.pdbj.org/pub/pdb/validation_reports/vy/7vyv | HTTPS FTP |
-Related structure data
Related structure data | 32215MC 7vz3C M: map data used to model this data C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
#1: Protein | Mass: 98645.289 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Klebsiella phage GH-K3 (virus) / Gene: GHK3_32 / Plasmid: pET28a(+) / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0A3S7W7I3 |
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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: Tail spike protein Depo32 / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT | ||||||||||||||||||||
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Molecular weight | Value: 0.3 MDa / Experimental value: NO | ||||||||||||||||||||
Source (natural) | Organism: Klebsiella phage 020009 (virus) / Strain: vB_KpnS_GH-K3 | ||||||||||||||||||||
Source (recombinant) | Organism: Escherichia coli (E. coli) / Strain: BL21 (DE3) / Plasmid: pET28a(+) | ||||||||||||||||||||
Buffer solution | pH: 7.5 | ||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 0.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: This sample was monodisperse. | ||||||||||||||||||||
Specimen support | Grid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: C-flat-1.2/1.3 | ||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 285.15 K / Details: blot 3.5 to 4 seconds before plunging |
-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: FLOOD BEAM |
Electron lens | Mode: DARK FIELD / Calibrated magnification: 81000 X / Nominal defocus max: 2000 nm / Nominal defocus min: 1500 nm / Cs: 2.7 mm / Alignment procedure: COMA FREE |
Specimen holder | Cryogen: NITROGEN |
Image recording | Average exposure time: 2.56 sec. / Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
-Processing
Software | Name: PHENIX / Version: (1.18.2_3874: ???) / Classification: refinement | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C3 (3 fold cyclic) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.32 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 462388 / Symmetry type: POINT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | Protocol: AB INITIO MODEL / Space: RECIPROCAL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | Resolution: 2.32→278.27 Å / SU ML: 0.32 / σ(F): 0.63 / Phase error: 37.53 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
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LS refinement shell |
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