5CQT

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

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3MXF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	20% PEG3350, 0.2M NaNO3, 0.1M HEPES, 10% EtGhly, pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
1.89	35.08

Crystal Data

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

Symmetry
Space Group	P 1 21 1

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	PSI PILATUS 6M		2015-03-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	OTHER	0.97776

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)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.6	46.77	94.7	0.072	0.033	0.997	12.6	5.6		15753

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)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63	95.8		0.276	0.122	0.962	4.2	5.9	788

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	3MXF	1.6	46.77	14984	757	94.43	0.1679	0.1666	0.1913	RANDOM	16.164

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]
-0.75		1	-0.57		1.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.595
r_dihedral_angle_3_deg	13.558
r_dihedral_angle_4_deg	13.072
r_dihedral_angle_1_deg	5.237
r_angle_refined_deg	1.651
r_mcangle_it	1.61
r_angle_other_deg	1.076
r_mcbond_it	1.02
r_mcbond_other	1.008
r_chiral_restr	0.102

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.595
r_dihedral_angle_3_deg	13.558
r_dihedral_angle_4_deg	13.072
r_dihedral_angle_1_deg	5.237
r_angle_refined_deg	1.651
r_mcangle_it	1.61
r_angle_other_deg	1.076
r_mcbond_it	1.02
r_mcbond_other	1.008
r_chiral_restr	0.102
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_bond_other_d	0.004
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1092
Nucleic Acid Atoms
Solvent Atoms	117
Heterogen Atoms	25

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
MOLREP	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.