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Yorodumi- PDB-5g5n: Structure of the snake adenovirus 1 hexon-interlacing LH3 protein... -
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-Basic information
Entry | Database: PDB / ID: 5g5n | ||||||
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Title | Structure of the snake adenovirus 1 hexon-interlacing LH3 protein, methylmercury chloride derivative | ||||||
Components | LH3 HEXON-INTERLACING CAPSID PROTEIN | ||||||
Keywords | VIRAL PROTEIN / CAPSID PROTEIN / BETA-HELIX | ||||||
Function / homology | Pectin lyase fold / Pectin lyase fold/virulence factor / virion component / METHYL MERCURY ION / Hexon-interlacing protein LH3 Function and homology information | ||||||
Biological species | SNAKE ADENOVIRUS 1 | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.3 Å | ||||||
Authors | Nguyen, T.H. / Singh, A.K. / Albala-Perez, B. / van Raaij, M.J. | ||||||
Citation | Journal: Structure / Year: 2017 Title: Structure of a Reptilian Adenovirus Reveals a Phage Tailspike Fold Stabilizing a Vertebrate Virus Capsid. Authors: Rosa Menéndez-Conejero / Thanh H Nguyen / Abhimanyu K Singh / Gabriela N Condezo / Rachel E Marschang / Mark J van Raaij / Carmen San Martín / Abstract: Although non-human adenoviruses (AdVs) might offer solutions to problems posed by human AdVs as therapeutic vectors, little is known about their basic biology. In particular, there are no structural ...Although non-human adenoviruses (AdVs) might offer solutions to problems posed by human AdVs as therapeutic vectors, little is known about their basic biology. In particular, there are no structural studies on the complete virion of any AdV with a non-mammalian host. We combine mass spectrometry, cryo-electron microscopy, and protein crystallography to characterize the composition and structure of a snake AdV (SnAdV-1, Atadenovirus genus). SnAdV-1 particles contain the genus-specific proteins LH3, p32k, and LH2, a previously unrecognized structural component. Remarkably, the cementing protein LH3 has a trimeric β helix fold typical of bacteriophage host attachment proteins. The organization of minor coat proteins differs from that in human AdVs, correlating with higher thermostability in SnAdV-1. These findings add a new piece to the intriguing puzzle of virus evolution, hint at the use of cell entry pathways different from those in human AdVs, and will help development of new, thermostable SnAdV-1-based vectors. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
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PDBx/mmCIF format | 5g5n.cif.gz | 208.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb5g5n.ent.gz | 168.3 KB | Display | PDB format |
PDBx/mmJSON format | 5g5n.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 5g5n_validation.pdf.gz | 475.8 KB | Display | wwPDB validaton report |
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Full document | 5g5n_full_validation.pdf.gz | 484.4 KB | Display | |
Data in XML | 5g5n_validation.xml.gz | 39.1 KB | Display | |
Data in CIF | 5g5n_validation.cif.gz | 54.8 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/g5/5g5n ftp://data.pdbj.org/pub/pdb/validation_reports/g5/5g5n | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 37983.695 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) SNAKE ADENOVIRUS 1 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): JM109 / References: UniProt: A9CB85 #2: Chemical | ChemComp-GOL / #3: Chemical | ChemComp-MMC / #4: Chemical | ChemComp-CL / #5: Water | ChemComp-HOH / | Sequence details | WE FOUND SEVERAL SEQUENCE DIFFERENCES BETWEEN OUR PCR- AMPLIFIED GENE AND THE DATABASE. HOWEVER, WE ...WE FOUND SEVERAL SEQUENCE DIFFERENCE | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.68 Å3/Da / Density % sol: 54 % / Description: NONE |
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Crystal grow | pH: 7 Details: 10 MM TRIS-HCL, 5% (V/V) GLYCEROL, 24% (W/V) PEG4000, 50 MM MOPS-NAOH PH 7.0. |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ALBA / Beamline: XALOC / Wavelength: 1.0056 |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Apr 30, 2015 Details: VERTICAL FOCUSING MIRROR AND HORIZONTAL FOCUSING MIRROR ORTHOGONAL IN A KIRKPATRICK-BAEZ CONFIGURATION |
Radiation | Monochromator: CRYOGENICALLY COOLED CHANNEL-CUT DCM SI (111) Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.0056 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→38.7 Å / Num. obs: 52927 / % possible obs: 100 % / Redundancy: 9.1 % / Biso Wilson estimate: 41.9 Å2 / Rmerge(I) obs: 0.1 / Net I/σ(I): 14.2 |
Reflection shell | Resolution: 2.3→2.37 Å / Redundancy: 8.9 % / Rmerge(I) obs: 0.8 / Mean I/σ(I) obs: 2.7 / % possible all: 100 |
-Processing
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Refinement | Method to determine structure: SAD Starting model: NONE Resolution: 2.3→23 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.946 / SU B: 5.793 / SU ML: 0.138 / Cross valid method: THROUGHOUT / ESU R: 0.267 / ESU R Free: 0.192 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY RESIDUES 156-162 OF CHAIN A, 156-162 OF CHAIN B AND 156-160 OF CHAIN C ARE DISORDERED.
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 43.594 Å2
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Refinement step | Cycle: LAST / Resolution: 2.3→23 Å
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Refine LS restraints |
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