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Open data
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Basic information
| Entry | Database: PDB / ID: 1qws | ||||||
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| Title | Structure of the D181N variant of catalase HPII from E. coli | ||||||
Components | Catalase HPII | ||||||
Keywords | OXIDOREDUCTASE / beta barrel / heme b | ||||||
| Function / homology | Function and homology informationcatalase / catalase activity / hyperosmotic response / hydrogen peroxide catabolic process / response to oxidative stress / iron ion binding / heme binding / DNA damage response / identical protein binding / cytosol / cytoplasm Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.9 Å | ||||||
Authors | Chelikani, P. / Carpena, X. / Fita, I. / Loewen, P.C. | ||||||
Citation | Journal: J.Biol.Chem. / Year: 2003Title: An electrical potential in the access channel of catalases enhances catalysis Authors: Chelikani, P. / Carpena, X. / Fita, I. / Loewen, P.C. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1qws.cif.gz | 637.6 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1qws.ent.gz | 518.1 KB | Display | PDB format |
| PDBx/mmJSON format | 1qws.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1qws_validation.pdf.gz | 1.7 MB | Display | wwPDB validaton report |
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| Full document | 1qws_full_validation.pdf.gz | 1.8 MB | Display | |
| Data in XML | 1qws_validation.xml.gz | 134.4 KB | Display | |
| Data in CIF | 1qws_validation.cif.gz | 201.1 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qw/1qws ftp://data.pdbj.org/pub/pdb/validation_reports/qw/1qws | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 1p7yC ![]() 1p7zC ![]() 1p80C ![]() 1p81C ![]() 1ggeS C: citing same article ( S: Starting model for refinement |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: ASP / Beg label comp-ID: ASP / End auth comp-ID: ALA / End label comp-ID: ALA / Refine code: 6 / Auth seq-ID: 27 - 753 / Label seq-ID: 27 - 753
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Components
| #1: Protein | Mass: 84270.469 Da / Num. of mol.: 4 / Mutation: D181N Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Chemical | ChemComp-HEM / #3: Water | ChemComp-HOH / | |
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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: 2.12 Å3/Da / Density % sol: 41.87 % |
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 9 Details: 15% PEG 3350, 1.6M LiCl, 0.1M Tris, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: BM14 / Wavelength: 0.9763 Å |
| Detector | Type: MARRESEARCH / Detector: CCD / Date: Jul 8, 2003 |
| Radiation | Monochromator: Si 111 Channel / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.9763 Å / Relative weight: 1 |
| Reflection | Resolution: 1.9→27.81 Å / Num. all: 218818 / Num. obs: 218251 / % possible obs: 99.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rsym value: 0.097 / Net I/σ(I): 7.2 |
| Reflection shell | Resolution: 1.9→1.99 Å / Num. unique all: 15850 / % possible all: 97.3 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB ENTRY 1GGE Resolution: 1.9→28 Å / Cor.coef. Fo:Fc: 0.96 / Cor.coef. Fo:Fc free: 0.931 / SU B: 3.319 / SU ML: 0.097 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R: 0.161 / ESU R Free: 0.151 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 20.472 Å2
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| Refine analyze | Luzzati sigma a obs: 0.19 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 1.9→28 Å
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| Refine LS restraints |
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| Refine LS restraints NCS | Ens-ID: 1 / Number: 5745 / Refine-ID: X-RAY DIFFRACTION
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| LS refinement shell | Resolution: 1.9→1.95 Å / Total num. of bins used: 20 /
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