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- PDB-6yn4: Structure of D169A/E171A double mutant of chitinase Chit42 from T... -
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Open data
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Basic information
Entry | Database: PDB / ID: 6yn4 | ||||||
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Title | Structure of D169A/E171A double mutant of chitinase Chit42 from Trichoderma harzianum complexed with chitintetraose. | ||||||
![]() | Endochitinase 42 | ||||||
![]() | HYDROLASE / CHITINASE / HYDROLYTIC ENZYME / GLYCOSIL HYDROLASE / CHITIN / N-ACETYLGLUCOSAMINE / CHITINTETRAOSE / TETRAACETYL-CHITOTETRAOSE / COMPLEX / PREBIOTIC / OLIGOSACCHARIDE / CHITOOLOGOSACCHARIDE / TRICHODERMA HARZIANUM | ||||||
Function / homology | ![]() chitinase / chitinase activity / chitin catabolic process / chitin binding / polysaccharide catabolic process / extracellular region Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Jimenez-Ortega, E. / Sanz-Aparicio, J. | ||||||
![]() | ![]() Title: Structural inspection and protein motions modelling of a fungal glycoside hydrolase family 18 chitinase by crystallography depicts a dynamic enzymatic mechanism Authors: Jimenez-Ortega, E. / Kidibule, P.E. / Fernandez-Lobato, M. / Sanz-Aparicio, J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 104.4 KB | Display | ![]() |
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PDB format | ![]() | 77.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 21.2 KB | Display | |
Data in CIF | ![]() | 31.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6yljC ![]() 7akqC ![]() 6epbS S: Starting model for refinement C: citing same article ( |
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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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Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 45968.234 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Sugars , 2 types, 2 molecules
#2: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
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#3: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
-Non-polymers , 4 types, 403 molecules ![](data/chem/img/ACT.gif)
![](data/chem/img/PEG.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/PEG.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/HOH.gif)
#4: Chemical | ChemComp-ACT / #5: Chemical | #6: Chemical | ChemComp-ZN / #7: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.47 Å3/Da / Density % sol: 50.27 % / Description: Bar |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, sitting drop / pH: 8 Details: 15 PEG 3000, 0.2 M Zinc Acetate, 0.1 M imidazole pH 8, 3% MPD Co-crystallization 2mM EDTA, 20mM chitintetraose. Cryoprotectant mother liquor supplemented with 20% PEG 400, 5 mM chitintetraose, 2 mM EDTA. |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Sep 28, 2018 / Details: KB focusing mirrors |
Radiation | Monochromator: Si(111) channel-cut, cryocooled / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97924 Å / Relative weight: 1 |
Reflection | Resolution: 1.82→48.38 Å / Num. obs: 38716 / % possible obs: 99.9 % / Redundancy: 6.5 % / CC1/2: 0.997 / Rmerge(I) obs: 0.107 / Rpim(I) all: 0.045 / Rrim(I) all: 0.117 / Net I/σ(I): 14.2 |
Reflection shell | Resolution: 1.82→1.86 Å / Redundancy: 6.7 % / Rmerge(I) obs: 0.701 / Mean I/σ(I) obs: 4.8 / Num. unique obs: 2258 / CC1/2: 0.917 / Rpim(I) all: 0.286 / Rrim(I) all: 0.758 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 6EPB Resolution: 1.82→48.38 Å / Cor.coef. Fo:Fc: 0.951 / Cor.coef. Fo:Fc free: 0.935 / SU B: 2.668 / SU ML: 0.082 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.133 / ESU R Free: 0.122 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
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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 max: 52.82 Å2 / Biso mean: 15.511 Å2 / Biso min: 6.13 Å2
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Refinement step | Cycle: final / Resolution: 1.82→48.38 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.82→1.867 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
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