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Yorodumi- PDB-1kog: Crystal structure of E. coli threonyl-tRNA synthetase interacting... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 1kog | ||||||
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| Title | Crystal structure of E. coli threonyl-tRNA synthetase interacting with the essential domain of its mRNA operator | ||||||
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Keywords | LIGASE/RNA / Protein-RNA complex / RNA stem-loop / RNA double helix / RNA base triples / LIGASE-RNA COMPLEX | ||||||
| Function / homology | Function and homology informationaminoacyl-tRNA ligase activity / tRNA aminoacylation / threonine-tRNA ligase / threonyl-tRNA aminoacylation / threonine-tRNA ligase activity / tRNA aminoacylation for protein translation / aminoacyl-tRNA deacylase activity / negative regulation of translational initiation / mRNA regulatory element binding translation repressor activity / mRNA 5'-UTR binding ...aminoacyl-tRNA ligase activity / tRNA aminoacylation / threonine-tRNA ligase / threonyl-tRNA aminoacylation / threonine-tRNA ligase activity / tRNA aminoacylation for protein translation / aminoacyl-tRNA deacylase activity / negative regulation of translational initiation / mRNA regulatory element binding translation repressor activity / mRNA 5'-UTR binding / regulation of translation / tRNA binding / response to antibiotic / protein homodimerization activity / RNA binding / zinc ion binding / ATP binding / cytoplasm / cytosol Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.5 Å | ||||||
Authors | Torres-Larrios, A. / Dock-Bregeon, A.C. / Romby, P. / Rees, B. / Sankaranarayanan, R. / Caillet, J. / Springer, M. / Ehresmann, C. / Ehresmann, B. / Moras, D. | ||||||
Citation | Journal: Nat.Struct.Biol. / Year: 2002Title: Structural basis of translational control by Escherichia coli threonyl tRNA synthetase. Authors: Torres-Larios, A. / Dock-Bregeon, A.C. / Romby, P. / Rees, B. / Sankaranarayanan, R. / Caillet, J. / Springer, M. / Ehresmann, C. / Ehresmann, B. / Moras, D. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1kog.cif.gz | 820.9 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1kog.ent.gz | 664.4 KB | Display | PDB format |
| PDBx/mmJSON format | 1kog.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1kog_validation.pdf.gz | 2.6 MB | Display | wwPDB validaton report |
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| Full document | 1kog_full_validation.pdf.gz | 2.9 MB | Display | |
| Data in XML | 1kog_validation.xml.gz | 160.1 KB | Display | |
| Data in CIF | 1kog_validation.cif.gz | 217.4 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ko/1kog ftp://data.pdbj.org/pub/pdb/validation_reports/ko/1kog | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 1evlS S: Starting model for refinement |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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Components
| #1: RNA chain | Mass: 11833.979 Da / Num. of mol.: 8 Mutation: U(-49)G, U(-48)G, U(-71)C, A(-15)G, A(-14)C, A(-13)C Source method: obtained synthetically Details: This is the natural sequence of domain D2 of the trs mRNA operator from E. coli, covering residues -49 to -13 (69 to 105 in the present coordinate file) of E.coli trs mRNA, except for the ...Details: This is the natural sequence of domain D2 of the trs mRNA operator from E. coli, covering residues -49 to -13 (69 to 105 in the present coordinate file) of E.coli trs mRNA, except for the first 3 base pairs. It was synthesized in vitro by T7 transcription. #2: Protein | Mass: 46725.180 Da / Num. of mol.: 8 Fragment: Catalytic and anticodon binding domains (residues 242 to 642) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Chemical | ChemComp-ZN / #4: Chemical | ChemComp-TSB / #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: 3.6 Å3/Da / Density % sol: 68 % | |||||||||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.6 Details: ammonium sulfate, magnesium chloride, cacodylate, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K | |||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions |
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| Crystal grow | *PLUS Temperature: 4 ℃ / Method: unknown | |||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID14-2 / Wavelength: 0.934 Å |
| Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Feb 16, 2001 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.934 Å / Relative weight: 1 |
| Reflection | Resolution: 3.46→30 Å / Num. all: 88408 / Num. obs: 88408 / % possible obs: 97.9 % / Redundancy: 3.74 % / Biso Wilson estimate: 82 Å2 / Rmerge(I) obs: 0.063 / Net I/σ(I): 15.7 |
| Reflection shell | Resolution: 3.46→3.58 Å / Redundancy: 3.8 % / Rmerge(I) obs: 0.346 / Mean I/σ(I) obs: 4.7 / Num. unique all: 8790 / % possible all: 82.8 |
| Reflection | *PLUS Lowest resolution: 29.8 Å / Num. measured all: 330893 / Rmerge(I) obs: 0.063 |
| Reflection shell | *PLUS % possible obs: 82.8 % / Num. unique obs: 8790 / Num. measured obs: 33319 / Rmerge(I) obs: 0.346 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: THREONYL-TRNA SYNTHETASE CORE (PDB CODE: 1EVL) Resolution: 3.5→29.8 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 10000 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2 Stereochemistry target values: MAXIMUM LIKELIHOOD TARGET USING AMPLITUDES
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| Solvent computation | Solvent model: FLAT MODEL / Bsol: 72.2087 Å2 / ksol: 0.247445 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 94.6 Å2
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| Refine analyze |
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| Refinement step | Cycle: LAST / Resolution: 3.5→29.8 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 3.5→3.66 Å / Rfactor Rfree error: 0.013 / Total num. of bins used: 8
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| Xplor file |
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| Refinement | *PLUS Num. reflection obs: 78345 / Num. reflection Rfree: 7775 / Rfactor obs: 0.251 / Rfactor Rfree: 0.288 / Rfactor Rwork: 0.251 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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| LS refinement shell | *PLUS Rfactor Rfree: 0.365 / Num. reflection Rfree: 793 / Rfactor Rwork: 0.328 / Num. reflection Rwork: 7473 / Rfactor obs: 0.328 |
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