6G0P

Crystal Structure of the first bromodomain of human BRD4 in complex with an acetylated E2F1 peptide (K117ac/K120ac)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2OSS	Ensemble of 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	2OUO	Ensemble of 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	2GRC	Ensemble of 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	2OO1	Ensemble of 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	3DAI	Ensemble of 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	3D7C	Ensemble of 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	3DWY	Ensemble of 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	277	20.0 % PEG3350 10.0 % EtGly 0.2 M NaCHO

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.137	α = 90
b = 53.358	β = 90
c = 58.126	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M-F		2015-12-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.9763	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.3	58.126	99.9	0.034	0.036	0.014	29.6	6.7	34488	34488

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.3	1.37	99.6		0.176	0.176	0.197	0.087	4.5	4.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Ensemble of 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY	1.3	39.31	32631	1796	99.91	0.1261	0.1249	0.1473	RANDOM	16.906

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]
0.11			0.79		-0.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.524
r_dihedral_angle_4_deg	24.806
r_sphericity_free	20.381
r_dihedral_angle_3_deg	11.558
r_sphericity_bonded	6.638
r_dihedral_angle_1_deg	5.502
r_rigid_bond_restr	2.332
r_angle_refined_deg	1.616
r_angle_other_deg	0.995
r_chiral_restr	0.114
r_bond_refined_d	0.014
r_gen_planes_refined	0.009
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1110
Nucleic Acid Atoms
Solvent Atoms	174
Heterogen Atoms	4

Software

Software
Software Name	Purpose
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction