4LR6

Structure of BRD4 bromodomain 1 with a 3-methyl-4-phenylisoxazol-5-amine fragment

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	278	3.682 M Formate, 10% Glycerol, 0.1 M Tris-HCl pH 8.5, vapor diffusion, sitting drop, temperature 278K

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.682	α = 90
b = 47.131	β = 90
c = 77.794	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			2010-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	1.000	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	50					29117

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	1.29	30.13	29117	1479	93.67	0.2163	0.215	0.2422	RANDOM	24.373

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]
3.29			-1.2		-2.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.522
r_dihedral_angle_4_deg	20.164
r_sphericity_free	15.975
r_dihedral_angle_3_deg	12.051
r_dihedral_angle_1_deg	4.617
r_sphericity_bonded	4.155
r_rigid_bond_restr	2.577
r_mcangle_it	1.118
r_angle_refined_deg	1.116
r_mcbond_other	0.973

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.522
r_dihedral_angle_4_deg	20.164
r_sphericity_free	15.975
r_dihedral_angle_3_deg	12.051
r_dihedral_angle_1_deg	4.617
r_sphericity_bonded	4.155
r_rigid_bond_restr	2.577
r_mcangle_it	1.118
r_angle_refined_deg	1.116
r_mcbond_other	0.973
r_mcbond_it	0.957
r_angle_other_deg	0.724
r_chiral_restr	0.06
r_bond_refined_d	0.004
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1035
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.