7JKW

Bromodomain-containing protein 4 (BRD4) bromodomain 1 (BD1) complexed with ZN1-99

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	277	0.2M LiSO4, 0.1M Tris-HCl pH 8.5, 16-20% PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.187	α = 90
b = 42.229	β = 90
c = 90.627	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	CCD	RAYONIX MX-300		2019-06-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	1.2	19.49	99.6	0.051	0.056	0.021	0.999	17.3	6.9		46415

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.22	93.4		0.415	0.453	0.178	0.947		6

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	1.2	19.49	43953	2397	99.55	0.17	0.1691	0.1849	RANDOM	14.24

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]
1.08			-0.3		-0.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.055
r_dihedral_angle_4_deg	22.806
r_dihedral_angle_3_deg	11.961
r_dihedral_angle_1_deg	5.896
r_angle_refined_deg	1.831
r_angle_other_deg	1.478
r_chiral_restr	0.104
r_bond_refined_d	0.014
r_gen_planes_refined	0.013
r_gen_planes_other	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.055
r_dihedral_angle_4_deg	22.806
r_dihedral_angle_3_deg	11.961
r_dihedral_angle_1_deg	5.896
r_angle_refined_deg	1.831
r_angle_other_deg	1.478
r_chiral_restr	0.104
r_bond_refined_d	0.014
r_gen_planes_refined	0.013
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1065
Nucleic Acid Atoms
Solvent Atoms	159
Heterogen Atoms	42

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	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 R01GM133198.