4NUE

Crystal structure of the first bromodomain of human BRD4 in complex with MS267 inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.529414% PEG 4,000, 0.2MgCl2, 0.1M Tris pH 8.5, 15% ethylene Glycol, VAPOR DIFFUSION, SITTING DROP, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
1.9336.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 41.836α = 90
b = 49.818β = 90
c = 55.978γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2702011-11-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X6A1NSLSX6A

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
11.324.4199.45293182946822
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.31.3398.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2OSS1.324.41222931827811148399.450.1940.139780.137360.18817RANDOM18.466
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]
-0.39-0.040.43
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.409
r_sphericity_free30.219
r_dihedral_angle_4_deg16.519
r_dihedral_angle_3_deg12.459
r_sphericity_bonded10.585
r_rigid_bond_restr6.223
r_dihedral_angle_1_deg5.492
r_angle_refined_deg2.024
r_angle_other_deg0.972
r_chiral_restr0.14
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.409
r_sphericity_free30.219
r_dihedral_angle_4_deg16.519
r_dihedral_angle_3_deg12.459
r_sphericity_bonded10.585
r_rigid_bond_restr6.223
r_dihedral_angle_1_deg5.492
r_angle_refined_deg2.024
r_angle_other_deg0.972
r_chiral_restr0.14
r_bond_refined_d0.022
r_gen_planes_refined0.014
r_gen_planes_other0.002
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1052
Nucleic Acid Atoms
Solvent Atoms198
Heterogen Atoms32

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling