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4U5M

Structure of a left-handed DNA G-quadruplex

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsSOLEIL BEAMLINE PROXIMA 1
Synchrotron siteSOLEIL
BeamlinePROXIMA 1
Temperature [K]100
Detector technologyPIXEL
Collection date2014-03-12
DetectorDECTRIS PILATUS 6M
Wavelength(s)0.979
Spacegroup nameP 32 2 1
Unit cell lengths51.886, 51.886, 40.167
Unit cell angles90.00, 90.00, 120.00
Refinement procedure
Resolution44.935 - 1.500
R-factor0.1429
Rwork0.141
R-free0.18000
Structure solution methodMOLECULAR REPLACEMENT
RMSD bond length0.008
RMSD bond angle1.090
Data reduction softwareXDS (Nov, 2013)
Data scaling softwareXSCALE
Phasing softwarePHASER
Refinement softwarePHENIX ((phenix.refine: 1.8.4_1496))
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]45.0001.590
High resolution limit [Å]1.5001.500
Rmerge0.642
Number of reflections9887
<I/σ(I)>18.52.76
Completeness [%]95.777.7
Redundancy9.25.6
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, SITTING DROP7279methyl pentane diol, cacodylate, KCl, Mg

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