3Q0F

Crystal structure of SUVH5 SRA- methylated CHH DNA complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.518% PEG4000, 100 mM Na-cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP
Crystal Properties
Matthews coefficientSolvent content
359.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 102.968α = 90
b = 102.968β = 90
c = 170.493γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315Cryogenically-cooled single crystal Si(111) side bounce monochromator. Optional Si(311) to achive 13.474 keV. Vertical and horizantal focussing mirrors in Kirkpatrick-Baez geometry.MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.97918APS24-ID-E

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (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
12.753099.80.090.088268.51460714578
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.752.851000.70.592.29.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTSRA molecule from the SUVH5 SRA-fully methylated CG DNA crystallized in P42212 space group2.7529.2831.33145001446672999.690.23150.22940.2732Random
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]
7.73397.7339-15.4678
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d20.905
f_angle_d1.294
f_chiral_restr0.071
f_bond_d0.007
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2239
Nucleic Acid Atoms425
Solvent Atoms18
Heterogen Atoms

Software

Software
Software NamePurpose
ADSCdata collection
MOLREPphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling