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Yorodumi- PDB-3aqu: Crystal structure of a class V chitinase from Arabidopsis thaliana -
+Open data
-Basic information
Entry | Database: PDB / ID: 3aqu | ||||||
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Title | Crystal structure of a class V chitinase from Arabidopsis thaliana | ||||||
Components | At4g19810 | ||||||
Keywords | HYDROLASE / stress response / TIM barrel / chitin | ||||||
Function / homology | Function and homology information exochitinase activity / secretory vesicle / endochitinase activity / response to jasmonic acid / response to abscisic acid / chitinase / cell wall / chitinase activity / chitin catabolic process / chitin binding ...exochitinase activity / secretory vesicle / endochitinase activity / response to jasmonic acid / response to abscisic acid / chitinase / cell wall / chitinase activity / chitin catabolic process / chitin binding / polysaccharide catabolic process / response to salt stress / extracellular region Similarity search - Function | ||||||
Biological species | Arabidopsis thaliana (thale cress) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.01 Å | ||||||
Authors | Numata, T. / Ohnuma, T. / Osawa, T. / Fukamizo, T. | ||||||
Citation | Journal: Planta / Year: 2011 Title: A class V chitinase from Arabidopsis thaliana: gene responses, enzymatic properties, and crystallographic analysis Authors: Ohnuma, T. / Numata, T. / Osawa, T. / Mizuhara, M. / Lampela, O. / Juffer, A.H. / Skriver, K. / Fukamizo, T. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3aqu.cif.gz | 275.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3aqu.ent.gz | 223 KB | Display | PDB format |
PDBx/mmJSON format | 3aqu.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3aqu_validation.pdf.gz | 469.4 KB | Display | wwPDB validaton report |
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Full document | 3aqu_full_validation.pdf.gz | 478.9 KB | Display | |
Data in XML | 3aqu_validation.xml.gz | 52.4 KB | Display | |
Data in CIF | 3aqu_validation.cif.gz | 75.2 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/aq/3aqu ftp://data.pdbj.org/pub/pdb/validation_reports/aq/3aqu | HTTPS FTP |
-Related structure data
Related structure data | 3alfS S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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3 |
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4 |
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Unit cell |
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-Components
#1: Protein | Mass: 38673.824 Da / Num. of mol.: 4 / Fragment: residues in UNP 25-379 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Arabidopsis thaliana (thale cress) / Gene: AT4g19810 / Plasmid: pET11a / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta2 (DE3) / References: UniProt: O81862, chitinase #2: Chemical | #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: 3.08 Å3/Da / Density % sol: 60.03 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.6 Details: 100mM trisodium citrate, 20% PEG10000, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 95 K |
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Diffraction source | Source: SYNCHROTRON / Site: Photon Factory / Beamline: BL-17A / Wavelength: 0.98 Å |
Detector | Type: ADSC QUANTUM 270 / Detector: CCD / Date: Mar 17, 2010 / Details: mirrors |
Radiation | Monochromator: Numerical link type Si(111) double crystal monochromator, liquid nitrogen cooling Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.98 Å / Relative weight: 1 |
Reflection | Resolution: 2→50 Å / Num. obs: 116512 / % possible obs: 94.5 % / Redundancy: 2.9 % / Rsym value: 0.102 / Net I/σ(I): 7.6 |
Reflection shell | Resolution: 2→2.03 Å / Redundancy: 2.3 % / Rmerge(I) obs: 0.336 / Mean I/σ(I) obs: 1.9 / % possible all: 88.7 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 3ALF Resolution: 2.01→50 Å / Cor.coef. Fo:Fc: 0.923 / Cor.coef. Fo:Fc free: 0.898 / SU B: 3.869 / SU ML: 0.106 / Cross valid method: THROUGHOUT / ESU R Free: 0.15 / 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: 1.4 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 12.842 Å2
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Refinement step | Cycle: LAST / Resolution: 2.01→50 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.005→2.057 Å / Total num. of bins used: 20
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