4HP3

Crystal structure of Tet3 in complex with a CpG dsDNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.529130% PEG-1500, 0.2M sodium chloride, 0.1M HEPES, pH 7.5, vapor diffusion, sitting drop, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.3347.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.892α = 90
b = 39.455β = 99.92
c = 54.134γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2012-01-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCLSI BEAMLINE 08ID-10.97949CLSI08ID-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.0534.4299.790.05312.57273.719281
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.052.1699.850.673.711345

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTunpublished model of complex between same protein construct and a methylated DNA fragment. That structure was solved by a combination of zinc-SAD (SHELXD/E) and molecular replacement in "density" mode (MOLREP), using ideal DNA (COOT) and human MLL2 (currently unpublished) as search models.2.0530928145299.6780.2170.21550.2434RANDOM52.769
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]
-10.395-0.7391.875
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.342
r_dihedral_angle_4_deg20.48
r_dihedral_angle_3_deg14.94
r_dihedral_angle_1_deg6.013
r_angle_refined_deg1.359
r_angle_other_deg1.16
r_chiral_restr0.064
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d0.003
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.342
r_dihedral_angle_4_deg20.48
r_dihedral_angle_3_deg14.94
r_dihedral_angle_1_deg6.013
r_angle_refined_deg1.359
r_angle_other_deg1.16
r_chiral_restr0.064
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d0.003
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms384
Nucleic Acid Atoms486
Solvent Atoms23
Heterogen Atoms5

Software

Software
Software NamePurpose
SCALAdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction