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Yorodumi- PDB-2vnx: Crystal structure of soybean ascorbate peroxidase mutant W41A aft... -
+Open data
-Basic information
Entry | Database: PDB / ID: 2vnx | ||||||
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Title | Crystal structure of soybean ascorbate peroxidase mutant W41A after exposure to a high dose of x-rays | ||||||
Components | ASCORBATE PEROXIDASE | ||||||
Keywords | OXIDOREDUCTASE / APX / PEROXIDASE / HEME ENZYME / REDUCTION BY X-RAYS | ||||||
Function / homology | Function and homology information L-ascorbate peroxidase / L-ascorbate peroxidase activity / chloroplast / response to reactive oxygen species / hydrogen peroxide catabolic process / cellular response to oxidative stress / heme binding / metal ion binding Similarity search - Function | ||||||
Biological species | GLYCINE MAX (soybean) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.5 Å | ||||||
Authors | Metcalfe, C.L. / Badyal, S.K. / Raven, E.L. / Moody, P.C.E. | ||||||
Citation | Journal: Biochemistry / Year: 2008 Title: Iron Oxidation State Modulates Active Site Structure in a Heme Peroxidase. Authors: Badyal, S.K. / Metcalfe, C.L. / Basran, J. / Efimov, I. / Moody, P.C.E. / Raven, E.L. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2vnx.cif.gz | 124.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2vnx.ent.gz | 95.8 KB | Display | PDB format |
PDBx/mmJSON format | 2vnx.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 2vnx_validation.pdf.gz | 797.2 KB | Display | wwPDB validaton report |
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Full document | 2vnx_full_validation.pdf.gz | 798.8 KB | Display | |
Data in XML | 2vnx_validation.xml.gz | 15 KB | Display | |
Data in CIF | 2vnx_validation.cif.gz | 22.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/vn/2vnx ftp://data.pdbj.org/pub/pdb/validation_reports/vn/2vnx | HTTPS FTP |
-Related structure data
Related structure data | 2vnzC 2vo2C 2ggnS S: Starting model for refinement 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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Unit cell |
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Components on special symmetry positions |
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-Components
#1: Protein | Mass: 28246.775 Da / Num. of mol.: 1 / Fragment: RESIDUES 2-250 / Mutation: YES Source method: isolated from a genetically manipulated source Details: HISTIDINE 42 IS IN A DUAL CONFORMATION RESULTING IN A MOVEMENT OF RESIDUES 40-45. Source: (gene. exp.) GLYCINE MAX (soybean) / Plasmid: SOYAPX/W41A / Production host: ESCHERICHIA COLI (E. coli) / Variant (production host): SG13009 / References: UniProt: Q43758, EC: 1.11.11.1 |
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#2: Chemical | ChemComp-HEM / |
#3: Chemical | ChemComp-NA / |
#4: Water | ChemComp-HOH / |
Compound details | ENGINEERED |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 1.97 Å3/Da / Density % sol: 37.13 % / Description: NONE |
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Crystal grow | pH: 8.3 / Details: pH 8.3 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID14-2 / Wavelength: 0.933 |
Detector | Type: ADSC CCD / Detector: CCD / Date: Mar 3, 2007 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.933 Å / Relative weight: 1 |
Reflection | Resolution: 1.6→37.8 Å / Num. obs: 34661 / % possible obs: 100 % / Observed criterion σ(I): 3 / Redundancy: 10.18 % / Rmerge(I) obs: 0.09 / Net I/σ(I): 19.5 |
Reflection shell | Resolution: 1.6→1.69 Å / Redundancy: 9.89 % / Rmerge(I) obs: 0.66 / Mean I/σ(I) obs: 3.1 / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 2GGN Resolution: 1.5→37.8 Å / Cor.coef. Fo:Fc: 0.963 / Cor.coef. Fo:Fc free: 0.952 / SU B: 2.889 / SU ML: 0.049 / Cross valid method: THROUGHOUT / ESU R: 0.093 / ESU R Free: 0.077 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
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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: 15.68 Å2
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Refinement step | Cycle: LAST / Resolution: 1.5→37.8 Å
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Refine LS restraints |
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