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Yorodumi- PDB-1wq4: Escherichia coli tyrosyl-tRNA synthetase mutant complexed with L-... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1wq4 | ||||||
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Title | Escherichia coli tyrosyl-tRNA synthetase mutant complexed with L-tyrosine | ||||||
Components | Tyrosyl-tRNA synthetase | ||||||
Keywords | LIGASE / AMINOACYL-TRNA SYNTHETASE / RIKEN Structural Genomics/Proteomics Initiative / RSGI / Structural Genomics | ||||||
Function / homology | Function and homology information tRNA aminoacylation / tyrosyl-tRNA aminoacylation / tyrosine-tRNA ligase / tyrosine-tRNA ligase activity / protein homodimerization activity / RNA binding / ATP binding / membrane / cytosol Similarity search - Function | ||||||
Biological species | Escherichia coli str. K12 substr. (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å | ||||||
Authors | Kobayashi, T. / Sakamoto, K. / Nureki, O. / Takimura, T. / Kamata, K. / Sekine, R. / Nishimura, S. / Yokoyama, S. / RIKEN Structural Genomics/Proteomics Initiative (RSGI) | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2005 Title: Structural basis of nonnatural amino acid recognition by an engineered aminoacyl-tRNA synthetase for genetic code expansion Authors: Kobayashi, T. / Sakamoto, K. / Takimura, T. / Sekine, R. / Vincent, K. / Kamata, K. / Nishimura, S. / Yokoyama, S. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1wq4.cif.gz | 83 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1wq4.ent.gz | 61.8 KB | Display | PDB format |
PDBx/mmJSON format | 1wq4.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/wq/1wq4 ftp://data.pdbj.org/pub/pdb/validation_reports/wq/1wq4 | HTTPS FTP |
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-Related structure data
Related structure data | 1vbnC 1wq3C 1udf C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data | |
Other databases |
-Links
-Assembly
Deposited unit |
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2 |
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Unit cell |
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Details | The second part of the biological assembly is generated by the two fold axis: X-Y,-Y,2/3-Z |
-Components
#1: Protein | Mass: 35853.551 Da / Num. of mol.: 1 / Fragment: RESIDUES 2-322 / Mutation: Y37V, Q195C Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli str. K12 substr. (bacteria) Species: Escherichia coli / Strain: W3110 / Gene: tyrS / Plasmid: PGEX-6P1 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) References: UniProt: P00951, UniProt: P0AGJ9*PLUS, tyrosine-tRNA ligase |
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#2: Chemical | ChemComp-TYR / |
#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: 2.33 Å3/Da / Density % sol: 46.8 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: ammonium sulfate, PEG 400, sodium chloride, pH 7.50, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: SPring-8 / Beamline: BL41XU / Wavelength: 0.9704 |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Feb 1, 2003 / Details: MIRRORS |
Radiation | Monochromator: SI 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9704 Å / Relative weight: 1 |
Reflection | Resolution: 2→50 Å / Num. obs: 25225 / % possible obs: 98.5 % / Observed criterion σ(I): 0 / Redundancy: 8.1 % / Biso Wilson estimate: 18.3 Å2 / Rmerge(I) obs: 0.059 / Rsym value: 0.059 / Net I/σ(I): 30.2 |
Reflection shell | Resolution: 2→2.03 Å / Redundancy: 5.4 % / Rmerge(I) obs: 0.249 / Mean I/σ(I) obs: 4.2 / Rsym value: 0.249 / % possible all: 98.3 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1UDF 1udf Resolution: 2→41.46 Å / Rfactor Rfree error: 0.005 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: ENGH & HUBER
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 55.65 Å2 / ksol: 0.37 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 35.6 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2→41.46 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2→2.13 Å / Rfactor Rfree error: 0.014 / Total num. of bins used: 6
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Xplor file |
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