4UC4

Crystal structure of hybrid tudor domain of human lysine demethylase KDM4B


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52880.06M Divalents (MgCl2/CaCl2), 0.1M Buffer pH8.5 (TRIS/Bicine) and 30% w/v EDO/P8K
Crystal Properties
Matthews coefficientSolvent content
3.2862.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 77.436α = 90
b = 77.436β = 90
c = 50.758γ = 120
Symmetry
Space GroupP 31

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2014-06-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-F0.97872APS21-ID-F

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
12.56301000.116.56.51095644.83
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)
12.562.61000.8136.3542

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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-VALUE2GF72.561227.9771.9910939117799.950.20340.19730.2544Random selection48.0444
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_d14.294
f_angle_d1.122
f_chiral_restr0.044
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1716
Nucleic Acid Atoms
Solvent Atoms66
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-2000data reduction
PHENIXphasing
PDB_EXTRACTdata extraction
HKL-2000data scaling
PHENIXrefinement
DENZOdata reduction
SCALEPACKdata scaling