6I80

Crystal Structure of the second bromodomain of BRD2 in complex with RT53

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	277	30% PEG1000 0.1M MMT pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.409	α = 90
b = 66.72	β = 90
c = 129.613	γ = 90

Symmetry
Space Group	C 2 2 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		2017-06-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.92819	Diamond	I04-1

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	1.138	29.661	99.5	0.043	0.047	0.019	16.1	5.6	101581	101581

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	1.14	1.2	96.9		0.435	0.435	0.511	0.264	1.8	3.5

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	3ONI	1.14	29.66	99362	2019	99.71	0.1312	0.1309	0.143	RANDOM	16.716

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]
-0.2			0.33		-0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.561
r_dihedral_angle_4_deg	23.974
r_sphericity_free	20.259
r_dihedral_angle_3_deg	10.307
r_sphericity_bonded	10.05
r_dihedral_angle_1_deg	4.907
r_rigid_bond_restr	1.944
r_angle_refined_deg	1.757
r_angle_other_deg	0.994
r_chiral_restr	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1797
Nucleic Acid Atoms
Solvent Atoms	349
Heterogen Atoms	76

Software

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