4IR3

Crystal Structure of the bromodomain of human BAZ2B in complex with 1-[7-amino-1-(pyrimidin-2-yl)indolizin-3-yl]ethanone (GSK2833282A)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3G0L	PDB entry 3G0L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	277.15	18% PEG 1000, 17% glycerol, 0.1M HEPES pH 7.0 (Ligand soaking performed in low-molecular-weight PEG smears stabilizing solution), VAPOR DIFFUSION, SITTING DROP, temperature 277.15K

Crystal Properties
Matthews coefficient	Solvent content
4.19	70.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.1	α = 90
b = 96.42	β = 90
c = 57.71	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	IMAGE PLATE	RIGAKU RAXIS IV		2011-09-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.5418

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	2	29.51	100	0.088	11	5	15860	15847			33.5

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	2	2.11	100		0.673	2.2	5	2283

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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	PDB entry 3G0L	2	27.48	2	15847	15057	790	99.95	0.21126	0.20953	0.2455	RANDOM	39.986

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]
1.88			-0.82		-1.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.492
r_dihedral_angle_4_deg	18.697
r_dihedral_angle_3_deg	13.311
r_dihedral_angle_1_deg	6.262
r_angle_refined_deg	1.593
r_angle_other_deg	0.785
r_chiral_restr	0.091
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.492
r_dihedral_angle_4_deg	18.697
r_dihedral_angle_3_deg	13.311
r_dihedral_angle_1_deg	6.262
r_angle_refined_deg	1.593
r_angle_other_deg	0.785
r_chiral_restr	0.091
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	937
Nucleic Acid Atoms
Solvent Atoms	146
Heterogen Atoms	43

Software

Software
Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

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.