4O7A

Crystal structure of the first bromodomain of human BRD4 in complex with SB-409514


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.512.5 MG/ML BRD4, 5MM HEPES pH 7.5, 50MM SODIUM CHLORIDE, 0.5MM DTT, 50MM TRIS PH8.5, 0.1M AMMONIUM SULFATE, 12.5% PEG 3,350, 10% DMSO, 1 MM SB-409514, HANGING DROP, VAPOR-DIFFUSION, TEMPERATURE 291K
Crystal Properties
Matthews coefficientSolvent content
2.1342.29

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 37.199α = 90
b = 44.146β = 90
c = 78.383γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDMARMOSAIC 225 mm CCD2013-11-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BM1.00APS22-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.343095.50.04546.57.428459-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.341.3693.10.1759.16.8

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB entry 2OSS1.3426.9811.3728417190495.520.14480.1743
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d20.435
f_angle_d1.449
f_chiral_restr0.078
f_bond_d0.009
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1062
Nucleic Acid Atoms
Solvent Atoms181
Heterogen Atoms39

Software

Software
Software NamePurpose
SERGUIdata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling