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- PDB-4r47: Racemic crystal structure of a bimolecular DNA G-quadruplex (P21/n) -
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Open data
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Basic information
Entry | Database: PDB / ID: 4r47 | ||||||||||||||||||||
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Title | Racemic crystal structure of a bimolecular DNA G-quadruplex (P21/n) | ||||||||||||||||||||
![]() | 5'-D(*![]() DNA / racemic DNA / racemates | Function / homology | : / DNA / DNA (> 10) | ![]() Biological species | synthetic construct (others) | Method | ![]() ![]() ![]() Mandal, P.K. / Collie, G.W. / Kauffmann, B. / Huc, I. | ![]() ![]() Title: Racemic DNA crystallography. Authors: Mandal, P.K. / Collie, G.W. / Kauffmann, B. / Huc, I. History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 27.2 KB | Display | ![]() |
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PDB format | ![]() | 19.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 305 KB | Display | ![]() |
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Full document | ![]() | 341.7 KB | Display | |
Data in XML | ![]() | 1.4 KB | Display | |
Data in CIF | ![]() | 2.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 4r44C ![]() 4r45C ![]() 4r48C ![]() 4r49C ![]() 4r4aC ![]() 4r4dC ![]() 1jrnS C: citing same article ( 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 on special symmetry positions |
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Components
#1: DNA chain | Mass: 3805.460 Da / Num. of mol.: 2 / Source method: obtained synthetically / Details: Bimolecular G-Quadruplex / Source: (synth.) synthetic construct (others) #2: Chemical | ChemComp-K / #3: Chemical | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.06 Å3/Da / Density % sol: 40.2 % |
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Crystal grow | Temperature: 285 K / Method: vapor diffusion, hanging drop / pH: 6.6 Details: 1 mM DNA, 50 mM potassium cacodylate, 40 mM potassium chloride, 75 mM magnesium chloride hexahydrate, 2.5 mM spermine, 5% v/v MPD, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 285K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: DECTRIS PILATUS 200K / Detector: PIXEL / Date: Nov 13, 2013 |
Radiation | Monochromator: graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.85→24.28 Å / Num. all: 10338 / Num. obs: 9676 / % possible obs: 93.6 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 1.9 % / Rmerge(I) obs: 0.0736 / Net I/σ(I): 10.25 |
Reflection shell | Resolution: 1.85→1.91 Å / Redundancy: 1.9 % / Rmerge(I) obs: 0.1591 / Mean I/σ(I) obs: 3.47 / % possible all: 96.52 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1JRN Resolution: 1.85→24.28 Å / Cor.coef. Fo:Fc: 0.915 / Cor.coef. Fo:Fc free: 0.897 / SU B: 2.511 / SU ML: 0.076 / Cross valid method: THROUGHOUT / ESU R: 0.171 / ESU R Free: 0.155 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 12.361 Å2
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Refinement step | Cycle: LAST / Resolution: 1.85→24.28 Å
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Refine LS restraints |
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