6FFE

Human BRD2 C-terminal bromodomain with 2-((4-acetyl-3-cyclopropyl-3,4-dihydroquinoxalin-1(2H)-yl)methyl)benzoic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		279.5	0.1M MES, pH6.5 30% PEG300

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.401	α = 90
b = 52.795	β = 90
c = 31.945	γ = 90

Symmetry
Space Group	P 21 21 2

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	RIGAKU SATURN A200		2014-08-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.54178

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.76	25.53	96.8	0.062	12.7	2.7		12065			21.64

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.76	1.85	96.3		0.367	2.6	2.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	FOURIER SYNTHESIS	THROUGHOUT	1.76	24.76	11356	574	95.07	0.17157	0.16858	0.23005	RANDOM	21.643

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]
0.13			0.17		-0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.508
r_dihedral_angle_4_deg	16.948
r_dihedral_angle_3_deg	11.077
r_long_range_B_refined	5.681
r_long_range_B_other	5.679
r_dihedral_angle_1_deg	4.34
r_scangle_other	2.055
r_mcangle_it	1.494
r_mcangle_other	1.494
r_scbond_it	1.212
r_scbond_other	1.211
r_angle_refined_deg	1.022
r_mcbond_it	0.877
r_mcbond_other	0.846
r_angle_other_deg	0.736
r_chiral_restr	0.056
r_bond_refined_d	0.005
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	926
Nucleic Acid Atoms
Solvent Atoms	214
Heterogen Atoms	48

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling