4OGI

Crystal Structure of the first bromodomain of human BRD4 in complex with the inhibitor BI-2536


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52770.2 M potassium citrate, 0.1 M Bis-Tris propane, pH 8.5, 20.0% PEG3350, 10% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.4148.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.243α = 90
b = 59.64β = 90
c = 115.345γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV2013-02-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E SUPERBRIGHT1.52

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.7319.6299.70.0940.09411.94.6312513115718.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.731.8299.50.7720.7720.64.54468

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 REPLACEMENTTHROUGHOUTPDB ENTRY 2OSS1.7319.623123331083156699.520.17750.17750.17560.2139RANDOM23.247
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]
0.46-0.690.23
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.39
r_dihedral_angle_4_deg16.503
r_dihedral_angle_3_deg13.271
r_dihedral_angle_1_deg5.203
r_mcangle_it3.125
r_mcbond_it2.706
r_mcbond_other2.683
r_angle_refined_deg1.645
r_angle_other_deg0.835
r_chiral_restr0.091
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.39
r_dihedral_angle_4_deg16.503
r_dihedral_angle_3_deg13.271
r_dihedral_angle_1_deg5.203
r_mcangle_it3.125
r_mcbond_it2.706
r_mcbond_other2.683
r_angle_refined_deg1.645
r_angle_other_deg0.835
r_chiral_restr0.091
r_bond_refined_d0.015
r_gen_planes_refined0.009
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2112
Nucleic Acid Atoms
Solvent Atoms256
Heterogen Atoms84

Software

Software
Software NamePurpose
SCALAdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
CrystalCleardata collection
XDSdata reduction