4PZI

Zinc finger region of MLL2 in complex with CpG DNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.529125% PEG-3350, 0.2 M ammonium sulfate, 0.1 M TRIS, pH 8.5, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.855.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.736α = 90
b = 41.005β = 99.24
c = 55.508γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152013-08-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97918APS19-ID

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
12.1535.3699.80.06614.33.78659
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)
12.152.221001.131.43.7729

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 REPLACEMENTTHROUGHOUTstructure of isomorphous crystal was solved by molecular replacement using currently unpublished models of same protein and DNA, respectively.2.1534.91865839899.720.2280.22580.2728RANDOM61.8311
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]
-0.740.68-2.172.55
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg27.206
r_dihedral_angle_3_deg14.005
r_dihedral_angle_4_deg12.299
r_dihedral_angle_1_deg5.77
r_mcangle_it3.962
r_mcbond_it2.794
r_mcbond_other2.779
r_angle_refined_deg1.434
r_angle_other_deg1.261
r_chiral_restr0.081
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg27.206
r_dihedral_angle_3_deg14.005
r_dihedral_angle_4_deg12.299
r_dihedral_angle_1_deg5.77
r_mcangle_it3.962
r_mcbond_it2.794
r_mcbond_other2.779
r_angle_refined_deg1.434
r_angle_other_deg1.261
r_chiral_restr0.081
r_bond_refined_d0.014
r_gen_planes_refined0.008
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms441
Nucleic Acid Atoms486
Solvent Atoms8
Heterogen Atoms3

Software

Software
Software NamePurpose
Aimlessdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction