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Open data
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Basic information
Entry | Database: PDB / ID: 7mlw | ||||||
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Title | Burkholderia sp. TJI49 Guanidine-I riboswitch | ||||||
![]() | Guanidine-I riboswitch | ||||||
![]() | RNA / Riboswitch / guanidine / potassium / ion / A-minor | ||||||
Function / homology | GUANIDINE / : / PHOSPHATE ION / STRONTIUM ION / RNA / RNA (> 10) / RNA (> 100)![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Trachman, R.J. / Ferre-D'Amare, A.R. | ||||||
![]() | ![]() Title: An uncommon [K + (Mg 2+ ) 2 ] metal ion triad imparts stability and selectivity to the Guanidine-I riboswitch. Authors: Trachman 3rd, R.J. / Ferre-D'Amare, A.R. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 182.1 KB | Display | ![]() |
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PDB format | ![]() | 120.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 2.7 MB | Display | ![]() |
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Full document | ![]() | 2.7 MB | Display | |
Data in XML | ![]() | 7.1 KB | Display | |
Data in CIF | ![]() | 9.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 5t83S 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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1 |
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Unit cell |
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Components
-RNA chain , 1 types, 1 molecules F
#1: RNA chain | Mass: 41465.645 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Production host: in vitro transcription vector pT7-TP(deltai) (others) |
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-Non-polymers , 6 types, 26 molecules ![](data/chem/img/GAI.gif)
![](data/chem/img/PO4.gif)
![](data/chem/img/SR.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/K.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/PO4.gif)
![](data/chem/img/SR.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/K.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | ChemComp-GAI / | ||||||||
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#3: Chemical | ChemComp-PO4 / #4: Chemical | #5: Chemical | #6: Chemical | #7: Water | ChemComp-HOH / | |
-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.48 Å3/Da / Density % sol: 50.44 % |
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Crystal grow | Temperature: 288 K / Method: vapor diffusion, sitting drop / pH: 7.5 Details: 50 mM HEPES (pH 7.5), 200 mM ammonium sulfate, 10 mM strontium chloride, 30% PEG 3350, 3% isopropanol |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Apr 14, 2017 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9919 Å / Relative weight: 1 |
Reflection | Resolution: 2.7→7 Å / Num. obs: 11350 / % possible obs: 98 % / Redundancy: 18.2 % / Biso Wilson estimate: 67.71 Å2 / CC1/2: 0.99 / Rmerge(I) obs: 0.07 / Net I/σ(I): 25.7 |
Reflection shell | Resolution: 2.7→2.85 Å / Redundancy: 18.2 % / Rmerge(I) obs: 0.73 / Mean I/σ(I) obs: 4.1 / Num. unique obs: 936 / CC1/2: 0.92 / % possible all: 99.6 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 5T83 Resolution: 2.7→6.99 Å / SU ML: 0.3528 / Cross valid method: FREE R-VALUE / σ(F): 1.36 / Phase error: 28.8037 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 98.08 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.7→6.99 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Origin x: -13.8534670905 Å / Origin y: 3.73034604913 Å / Origin z: -18.2165343402 Å
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Refinement TLS group | Selection details: all |