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Yorodumi- PDB-6spr: Structure of the Escherichia coli methionyl-tRNA synthetase varia... -
+Open data
-Basic information
Entry | Database: PDB / ID: 6spr | |||||||||
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Title | Structure of the Escherichia coli methionyl-tRNA synthetase variant VI298 complexed with beta-methionine | |||||||||
Components | Methionine--tRNA ligase | |||||||||
Keywords | TRANSLATION / tRNA aminoacylation | |||||||||
Function / homology | Function and homology information methionine-tRNA ligase / methionine-tRNA ligase activity / methionyl-tRNA aminoacylation / tRNA binding / protein homodimerization activity / zinc ion binding / ATP binding / membrane / cytosol Similarity search - Function | |||||||||
Biological species | Escherichia coli (E. coli) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.48 Å | |||||||||
Authors | Nigro, G. / Schmitt, E. / Mechulam, Y. | |||||||||
Citation | Journal: J.Struct.Biol. / Year: 2020 Title: Use of beta3-methionine as an amino acid substrate of Escherichia coli methionyl-tRNA synthetase. Authors: Nigro, G. / Bourcier, S. / Lazennec-Schurdevin, C. / Schmitt, E. / Marliere, P. / Mechulam, Y. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6spr.cif.gz | 440.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6spr.ent.gz | 300.2 KB | Display | PDB format |
PDBx/mmJSON format | 6spr.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 6spr_validation.pdf.gz | 913.4 KB | Display | wwPDB validaton report |
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Full document | 6spr_full_validation.pdf.gz | 917.8 KB | Display | |
Data in XML | 6spr_validation.xml.gz | 29.8 KB | Display | |
Data in CIF | 6spr_validation.cif.gz | 47.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/sp/6spr ftp://data.pdbj.org/pub/pdb/validation_reports/sp/6spr | HTTPS FTP |
-Related structure data
Related structure data | 6spnC 6spoC 6sppC 6spqC 1qqtS 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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1 |
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Unit cell |
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-Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 64744.031 Da / Num. of mol.: 1 / Mutation: Truncated after residue 547; His-tagged ; VI298 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Gene: metG, b2114, JW2101 / Production host: Escherichia coli (E. coli) / References: UniProt: P00959, methionine-tRNA ligase |
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-Non-polymers , 5 types, 752 molecules
#2: Chemical | ChemComp-ZN / | ||||
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#3: Chemical | ChemComp-B3M / ( | ||||
#4: Chemical | #5: Chemical | ChemComp-GOL / #6: 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: 2.34 Å3/Da / Density % sol: 47.39 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion / pH: 7 Details: 1.08 M ammonium citrate, 10 mM potassium phosphate, pH 7.0 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: SOLEIL / Beamline: PROXIMA 1 / Wavelength: 0.978 Å |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Feb 19, 2019 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.978 Å / Relative weight: 1 |
Reflection | Resolution: 1.48→48.6 Å / Num. obs: 96417 / % possible obs: 99.6 % / Redundancy: 6.8 % / Biso Wilson estimate: 16.66 Å2 / CC1/2: 0.998 / Rsym value: 0.117 / Net I/σ(I): 9.2 |
Reflection shell | Resolution: 1.48→1.57 Å / Mean I/σ(I) obs: 1.3 / Num. unique obs: 15234 / CC1/2: 0.597 / Rsym value: 1.03 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1QQT Resolution: 1.48→48.56 Å / SU ML: 0.1737 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 16.8831 Details: Refinement was performed using explicit riding hydrogen atoms generated in phenix.
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 20.4 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.48→48.56 Å
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Refine LS restraints |
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LS refinement shell |
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