5MVK

Crystal structure of an unmodified A-DNA dodecamer containing 3 consecutive CpG steps


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7293Sodium chloride (12 mM) Potassium chloride (80 mM) Sodium cacodylate (40 mM, pH 7.0) Spermine tetrahydrochloride (12 mM) MPD (40% v/v)
Crystal Properties
Matthews coefficientSolvent content
2.2144.42

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 43.678α = 90
b = 43.678β = 90
c = 58.887γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2016-02-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I020.970DiamondI02

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.5337.8399.8719.79.210206

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.53137.8261.341020649199.870.18090.18050.1877Random selection
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.068
f_angle_d1.379
f_chiral_restr0.073
f_bond_d0.014
f_plane_restr0.013
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms486
Solvent Atoms67
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing