+Open data
-Basic information
Entry | Database: PDB / ID: 4gyn | ||||||
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Title | The E142L mutant of the amidase from Geobacillus pallidus | ||||||
Components | Aliphatic amidase | ||||||
Keywords | HYDROLASE / amidase / catalytic tetrad / amidase mechanism | ||||||
Function / homology | Function and homology information | ||||||
Biological species | Bacillus sp. (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.9 Å | ||||||
Authors | Weber, B.W. / Sewell, B.T. / Kimani, S.W. / Varsani, A. / Cowan, D.A. / Hunter, R. | ||||||
Citation | Journal: J.Biol.Chem. / Year: 2013 Title: The mechanism of the amidases: mutating the glutamate adjacent to the catalytic triad inactivates the enzyme due to substrate mispositioning. Authors: Weber, B.W. / Kimani, S.W. / Varsani, A. / Cowan, D.A. / Hunter, R. / Venter, G.A. / Gumbart, J.C. / Sewell, B.T. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4gyn.cif.gz | 85.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4gyn.ent.gz | 63 KB | Display | PDB format |
PDBx/mmJSON format | 4gyn.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/gy/4gyn ftp://data.pdbj.org/pub/pdb/validation_reports/gy/4gyn | HTTPS FTP |
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-Related structure data
Related structure data | 4gylC 4kzfC 4lf0C 2plqS C: citing same article (ref.) 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
#1: Protein | Mass: 38624.875 Da / Num. of mol.: 1 / Mutation: E142L Source method: isolated from a genetically manipulated source Source: (gene. exp.) Bacillus sp. (bacteria) / Strain: RAPC8 / Gene: amiE, ami / Plasmid: pET21a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) PLysS / References: UniProt: Q9L543, amidase |
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#2: Chemical | ChemComp-CL / |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.41 Å3/Da / Density % sol: 49.03 % / Mosaicity: 0.255 ° |
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Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: 1.2M sodium citrate, 0.4M sodium chloride, 0.1M sodium acetate, pH 5.6, vapor diffusion, hanging drop, temperature 294K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.542 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: RIGAKU SATURN 944+ / Detector: CCD / Date: Oct 18, 2011 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: VariMax HF Confocal Optical System / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 1.542 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.9→53.39 Å / Num. obs: 29066 / % possible obs: 94.6 % / Redundancy: 5.66 % / Rmerge(I) obs: 0.205 / Χ2: 1.17 / Net I/σ(I): 5 / Scaling rejects: 1245 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 2PLQ Resolution: 1.9→53.39 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.924 / WRfactor Rfree: 0.215 / WRfactor Rwork: 0.187 / Occupancy max: 1 / Occupancy min: 0.33 / FOM work R set: 0.8555 / SU ML: 0.09 / SU R Cruickshank DPI: 0.1618 / SU Rfree: 0.1434 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.162 / ESU R Free: 0.143 / 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: 64.48 Å2 / Biso mean: 14.5243 Å2 / Biso min: 7.34 Å2
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Refinement step | Cycle: LAST / Resolution: 1.9→53.39 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.9→1.949 Å / Total num. of bins used: 20
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