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- 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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![]() | LIGASE/RNA / Protein-RNA complex / RNA stem-loop / RNA double helix / RNA base triples / LIGASE-RNA COMPLEX | ||||||
Function / homology | ![]() 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 ...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 / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Torres-Larrios, A. / Dock-Bregeon, A.C. / Romby, P. / Rees, B. / Sankaranarayanan, R. / Caillet, J. / Springer, M. / Ehresmann, C. / Ehresmann, B. / Moras, D. | ||||||
![]() | ![]() Title: 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. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 820.9 KB | Display | ![]() |
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PDB format | ![]() | 664.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 2.6 MB | Display | ![]() |
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Full document | ![]() | 2.9 MB | Display | |
Data in XML | ![]() | 160.1 KB | Display | |
Data in CIF | ![]() | 217.4 KB | Display | |
Arichive directory | ![]() ![]() | 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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5 | ![]()
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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: ![]() |
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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: ![]() ![]() ![]() |
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: ![]() Starting 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 |