4HBY

Crystal Structure of the first bromodomain of human BRD4 in complex with a quinazolin ligand


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2OSS 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52770.2M KSCN, 20% PEG3350, 10% EtGly, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.1542.82

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 43.7α = 90
b = 48.47β = 90
c = 61.34γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV2012-02-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E SUPERBRIGHT1.5418

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
11.58538.0399.30.0990.0998.54.6182971816920
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)
11.591.6798.30.6540.6541.24.62586

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 REPLACEMENTTHROUGHOUT2OSS1.5938.03182831812892499.150.18760.18760.1850.2388RANDOM26.6523
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]
0.420.6-1.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.916
r_dihedral_angle_4_deg21.349
r_dihedral_angle_3_deg13.875
r_dihedral_angle_1_deg5.931
r_angle_refined_deg1.641
r_angle_other_deg0.986
r_chiral_restr0.098
r_bond_refined_d0.015
r_gen_planes_refined0.009
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.916
r_dihedral_angle_4_deg21.349
r_dihedral_angle_3_deg13.875
r_dihedral_angle_1_deg5.931
r_angle_refined_deg1.641
r_angle_other_deg0.986
r_chiral_restr0.098
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 Atoms1053
Nucleic Acid Atoms
Solvent Atoms131
Heterogen Atoms26

Software

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