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Yorodumi- PDB-3aio: R267K mutant of a HSL-like carboxylesterase from Sulfolobus tokodaii -
+Open data
-Basic information
Entry | Database: PDB / ID: 3aio | ||||||
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Title | R267K mutant of a HSL-like carboxylesterase from Sulfolobus tokodaii | ||||||
Components | 303aa long hypothetical esterase | ||||||
Keywords | HYDROLASE / Carboxylesterase / thermophilic / dimer / archaea / R267K | ||||||
Function / homology | Function and homology information carboxylesterase / carboxylesterase activity / identical protein binding Similarity search - Function | ||||||
Biological species | Sulfolobus tokodaii (archaea) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å | ||||||
Authors | Angkawidjaja, C. / Kanaya, S. | ||||||
Citation | Journal: Febs J. / Year: 2012 Title: Structure and stability of a thermostable carboxylesterase from the thermoacidophilic archaeon Sulfolobustokodaii Authors: Angkawidjaja, C. / Koga, Y. / Takano, K. / Kanaya, S. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3aio.cif.gz | 246.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3aio.ent.gz | 196.6 KB | Display | PDB format |
PDBx/mmJSON format | 3aio.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3aio_validation.pdf.gz | 510.2 KB | Display | wwPDB validaton report |
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Full document | 3aio_full_validation.pdf.gz | 533.7 KB | Display | |
Data in XML | 3aio_validation.xml.gz | 50.5 KB | Display | |
Data in CIF | 3aio_validation.cif.gz | 70 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ai/3aio ftp://data.pdbj.org/pub/pdb/validation_reports/ai/3aio | HTTPS FTP |
-Related structure data
Related structure data | 3aikSC 3ailC 3aimC 3ainC S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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Unit cell |
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-Components
#1: Protein | Mass: 35984.934 Da / Num. of mol.: 4 / Mutation: R267K Source method: isolated from a genetically manipulated source Source: (gene. exp.) Sulfolobus tokodaii (archaea) / Strain: 7 / Gene: ST0071 / Plasmid: pET28a+ / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)CodonPlus / References: UniProt: Q976W8, carboxylesterase #2: Chemical | ChemComp-MPD / ( #3: Chemical | ChemComp-PO4 / #4: Chemical | ChemComp-MRD / ( #5: 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: 2.93 Å3/Da / Density % sol: 57.98 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 8.5 Details: 0.1M Tris-HCl pH 8.5, 0.2M Ammonium phosphate monobasic, 50% MPD , VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: SPring-8 / Beamline: BL38B1 / Wavelength: 1 Å |
Detector | Type: ADSC QUANTUM 210 / Detector: CCD / Date: Apr 8, 2010 / Details: mirrors |
Radiation | Monochromator: mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 1.7→50 Å / Num. obs: 182172 / % possible obs: 99.9 % / Observed criterion σ(I): -3 / Redundancy: 3.8 % / Rmerge(I) obs: 0.074 / Net I/σ(I): 18.8 |
Reflection shell | Resolution: 1.7→1.76 Å / Redundancy: 3.8 % / Rmerge(I) obs: 0.53 / Mean I/σ(I) obs: 2.2 / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 3AIK Resolution: 1.7→26.62 Å / Cor.coef. Fo:Fc: 0.963 / Cor.coef. Fo:Fc free: 0.948 / SU B: 1.753 / SU ML: 0.057 / Cross valid method: THROUGHOUT / ESU R Free: 0.085 Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES 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: 21.988 Å2
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Refinement step | Cycle: LAST / Resolution: 1.7→26.62 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.7→1.744 Å / Total num. of bins used: 20
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