5CQT

Crystal Structure of the first bromodomain of human BRD4 in complex with benzo[cd]indol-2(1H)-one ligand


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.527720% PEG3350, 0.2M NaNO3, 0.1M HEPES, 10% EtGhly, pH 7.5
Crystal Properties
Matthews coefficientSolvent content
1.8935.08

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 29.84α = 90
b = 45.52β = 97.23
c = 47.15γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2015-03-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONOTHER0.97776

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)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
11.646.7794.70.0720.0330.99712.65.615753
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.61.6395.80.2760.1220.9624.25.9788

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 REPLACEMENTTHROUGHOUT3MXF1.646.771498475794.430.16790.16660.1913RANDOM16.164
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]
-0.751-0.571.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.595
r_dihedral_angle_3_deg13.558
r_dihedral_angle_4_deg13.072
r_dihedral_angle_1_deg5.237
r_angle_refined_deg1.651
r_mcangle_it1.61
r_angle_other_deg1.076
r_mcbond_it1.02
r_mcbond_other1.008
r_chiral_restr0.102
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.595
r_dihedral_angle_3_deg13.558
r_dihedral_angle_4_deg13.072
r_dihedral_angle_1_deg5.237
r_angle_refined_deg1.651
r_mcangle_it1.61
r_angle_other_deg1.076
r_mcbond_it1.02
r_mcbond_other1.008
r_chiral_restr0.102
r_bond_refined_d0.011
r_gen_planes_refined0.008
r_bond_other_d0.004
r_gen_planes_other0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1092
Nucleic Acid Atoms
Solvent Atoms117
Heterogen Atoms25

Software

Software
Software NamePurpose
Aimlessdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction
MOLREPphasing