+Open data
-Basic information
Entry | Database: PDB / ID: 7k4o | ||||||
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Title | Tannin acyl hydrolase from Aspergillus niger | ||||||
Components | Carboxylic ester hydrolaseCarboxylesterase | ||||||
Keywords | HYDROLASE / esterase / tannin / serine hydrolase | ||||||
Function / homology | Tannase/feruloyl esterase / Tannase and feruloyl esterase / Hydrolases; Acting on ester bonds; Carboxylic-ester hydrolases / carboxylic ester hydrolase activity / Alpha/Beta hydrolase fold / metal ion binding / 2-[2-(2-ethoxyethoxy)ethoxy]ethanol / 3,4,5-trihydroxybenzoic acid / Carboxylic ester hydrolase Function and homology information | ||||||
Biological species | Aspergillus niger (mold) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.65 Å | ||||||
Authors | Ren, B. | ||||||
Citation | Journal: Acta Crystallogr D Struct Biol / Year: 2021 Title: Crystal structure of fungal tannase from Aspergillus niger. Authors: Dong, L. / McKinstry, W.J. / Pan, L. / Newman, J. / Ren, B. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7k4o.cif.gz | 246.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7k4o.ent.gz | 201.5 KB | Display | PDB format |
PDBx/mmJSON format | 7k4o.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/k4/7k4o ftp://data.pdbj.org/pub/pdb/validation_reports/k4/7k4o | HTTPS FTP |
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-Related structure data
Related structure data | 3wmtS S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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Unit cell |
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Components on special symmetry positions |
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-Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 60809.836 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Aspergillus niger (mold) / Production host: Aspergillus niger (mold) References: UniProt: A2QIR3, Hydrolases; Acting on ester bonds; Carboxylic-ester hydrolases |
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-Sugars , 4 types, 8 molecules
#2: Polysaccharide | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(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 | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(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 | ||
#4: 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 #5: Sugar | |
-Non-polymers , 7 types, 785 molecules
#6: Chemical | ChemComp-GDE / | ||||||||
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#7: Chemical | ChemComp-CA / | ||||||||
#8: Chemical | ChemComp-ZN / #9: Chemical | #10: Chemical | ChemComp-NA / | #11: Chemical | ChemComp-FWN / | #12: Water | ChemComp-HOH / | |
-Details
Has ligand of interest | 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: 3.85 Å3/Da / Density % sol: 68.06 % |
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Crystal grow | Temperature: 281 K / Method: vapor diffusion, sitting drop / pH: 6.5 Details: zinc sulfate, polyethylene glycol monomethyl ether 500 and 0.1 M sodium MES at pH 6.5 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX2 / Wavelength: 0.9792 Å |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Mar 21, 2019 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9792 Å / Relative weight: 1 |
Reflection | Resolution: 1.65→19.76 Å / Num. obs: 114035 / % possible obs: 99.9 % / Redundancy: 13.4 % / CC1/2: 0.999 / Rmerge(I) obs: 0.079 / Rpim(I) all: 0.023 / Net I/σ(I): 20.9 |
Reflection shell | Resolution: 1.65→1.71 Å / Rmerge(I) obs: 1.396 / Mean I/σ(I) obs: 1.8 / Num. unique obs: 11292 / CC1/2: 0.689 / Rpim(I) all: 0.384 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 3wmt Resolution: 1.65→19.76 Å / Cor.coef. Fo:Fc: 0.977 / Cor.coef. Fo:Fc free: 0.97 / Cross valid method: FREE R-VALUE / ESU R: 0.064 / ESU R Free: 0.066 Details: Hydrogens have been added in their 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 BULK SOLVENT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 30.724 Å2
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Refinement step | Cycle: LAST / Resolution: 1.65→19.76 Å
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Refine LS restraints |
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LS refinement shell |
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