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Yorodumi- PDB-1ib4: Crystal Structure of Polygalacturonase from Aspergillus Aculeatus... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 1ib4 | |||||||||
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| Title | Crystal Structure of Polygalacturonase from Aspergillus Aculeatus at Ph4.5 | |||||||||
Components | POLYGALACTURONASE | |||||||||
Keywords | HYDROLASE / POLYGALACTURONASE / GLYCOSYLHYDROLASE | |||||||||
| Function / homology | Function and homology informationendo-polygalacturonase / polygalacturonase activity / pectin catabolic process / cell wall organization / extracellular region Similarity search - Function | |||||||||
| Biological species | ![]() | |||||||||
| Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2 Å | |||||||||
Authors | Cho, S.W. / Shin, W. | |||||||||
Citation | Journal: J.Mol.Biol. / Year: 2001Title: The X-ray structure of Aspergillus aculeatus polygalacturonase and a modeled structure of the polygalacturonase-octagalacturonate complex. Authors: Cho, S.W. / Lee, S. / Shin, W. | |||||||||
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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 | 1ib4.cif.gz | 151.9 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1ib4.ent.gz | 118.6 KB | Display | PDB format |
| PDBx/mmJSON format | 1ib4.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1ib4_validation.pdf.gz | 1020.7 KB | Display | wwPDB validaton report |
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| Full document | 1ib4_full_validation.pdf.gz | 1 MB | Display | |
| Data in XML | 1ib4_validation.xml.gz | 36.3 KB | Display | |
| Data in CIF | 1ib4_validation.cif.gz | 49.6 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ib/1ib4 ftp://data.pdbj.org/pub/pdb/validation_reports/ib/1ib4 | HTTPS FTP |
-Related structure data
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Links
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Assembly
| Deposited unit | ![]()
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| 1 | ![]()
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| 2 | ![]()
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| Unit cell |
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Components
| #1: Protein | Mass: 34675.590 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: GenBank: 3220207, UniProt: O74213*PLUS, endo-polygalacturonase #2: Polysaccharide | Source method: isolated from a genetically manipulated source #3: Sugar | ChemComp-MAN / #4: Chemical | #5: Water | ChemComp-HOH / | Has protein modification | Y | |
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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: 2.15 Å3/Da / Density % sol: 42.79 % | ||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 277 K / Method: microdialysis / pH: 4.6 Details: 30% PEG400, 0.02M CdCl2, 0.1M sodium acetate pH 4.5 , pH 4.6, MICRODIALYSIS, temperature 277K | ||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Temperature: 4 ℃ / pH: 4.5 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 288 K |
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| Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200H / Wavelength: 1.5418 Å |
| Detector | Type: ENRAF-NONIUS FAST / Detector: AREA DETECTOR / Date: Dec 1, 1999 / Details: COLLIMATOR |
| Radiation | Monochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
| Reflection | Resolution: 2→25 Å / Num. all: 77804 / Num. obs: 33790 / % possible obs: 91.4 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 4 / Redundancy: 2.3 % / Biso Wilson estimate: 3.6 Å2 / Rmerge(I) obs: 0.087 / Net I/σ(I): 13.2 |
| Reflection shell | Resolution: 2→2.13 Å / Redundancy: 4.6 % / Rmerge(I) obs: 0.156 / % possible all: 67.3 |
| Reflection | *PLUS Lowest resolution: 25 Å / Num. measured all: 77804 |
| Reflection shell | *PLUS Highest resolution: 2.02 Å / % possible obs: 84.6 % |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 2→24.1 Å / Num. parameters: 2237 / Num. restraintsaints: 2115 / Cross valid method: FREE R / σ(F): 0 / σ(I): 0 / Stereochemistry target values: ENGH AND HUBER
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| Refine analyze | Occupancy sum hydrogen: 0 / Occupancy sum non hydrogen: 5592
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| Refinement step | Cycle: LAST / Resolution: 2→24.1 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2→2.13 Å | ||||||||||||||||||||||||||||||
| Software | *PLUS Name: SHELXL-97 / Classification: refinement | ||||||||||||||||||||||||||||||
| Refinement | *PLUS σ(F): 0 / Rfactor Rwork: 0.17 | ||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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