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- PDB-3rkf: Crystal structure of guanine riboswitch C61U/G37A double mutant b... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3rkf | ||||||
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Title | Crystal structure of guanine riboswitch C61U/G37A double mutant bound to thio-guanine | ||||||
![]() | Guanine riboswitch | ||||||
![]() | RNA / three-way junction / riboswitch / m-RNA / thioguanine | ||||||
Function / homology | 2-amino-1,9-dihydro-6H-purine-6-thione / COBALT HEXAMMINE(III) / RNA / RNA (> 10)![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Buck, J. / Wacker, A. / Warkentin, E. / Woehnert, J. / Wirmer-Bartoschek, J. / Schwalbe, H. | ||||||
![]() | ![]() Title: Influence of ground-state structure and Mg2+ binding on folding kinetics of the guanine-sensing riboswitch aptamer domain. Authors: Buck, J. / Wacker, A. / Warkentin, E. / Wohnert, J. / Wirmer-Bartoschek, J. / Schwalbe, H. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 159 KB | Display | ![]() |
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PDB format | ![]() | 121.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 455.4 KB | Display | ![]() |
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Full document | ![]() | 467.9 KB | Display | |
Data in XML | ![]() | 11.1 KB | Display | |
Data in CIF | ![]() | 15.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1u8d 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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2 | ![]()
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3 | ![]()
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4 | ![]()
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Unit cell |
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Components
#1: RNA chain | Mass: 21523.766 Da / Num. of mol.: 4 / Mutation: C61U G37A / Source method: obtained synthetically #2: Chemical | ChemComp-DX4 / #3: Chemical | ChemComp-NCO / #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.42 Å3/Da / Density % sol: 49.08 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: 5mM K+ - HEPES, 12mM [Co(NH3)6]3+, 25% polyethylene glycol 4000, 450mM ammonium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Jun 8, 2009 |
Radiation | Monochromator: SI 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.02 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→44.64 Å / Num. all: 67756 / Num. obs: 26059 / % possible obs: 93.5 % / Observed criterion σ(I): -3 |
Reflection shell | Resolution: 2.5→2.59 Å / % possible all: 82.4 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 1u8d ![]() 1u8d Resolution: 2.5→44.638 Å / σ(F): 1.96 / Phase error: 30.98 / Stereochemistry target values: TWIN_LSQ_F
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Solvent computation | Shrinkage radii: 0.61 Å / VDW probe radii: 0.9 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 24.729 Å2 / ksol: 0.315 e/Å3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters |
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Refinement step | Cycle: LAST / Resolution: 2.5→44.638 Å
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Refine LS restraints |
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LS refinement shell |
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