2GRC

1.5 A structure of bromodomain from human BRG1 protein, a central ATPase of SWI/SNF remodeling complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	298	0.1 M Tris, 25% w/v PEG 3350, pH 8.5, VAPOR DIFFUSION, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2	38.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.86	α = 90
b = 30.33	β = 90.28
c = 66.82	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	CCD	MARRESEARCH		2005-11-08	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05, 0.9793, 0.9796, 0.9770	MPG/DESY, HAMBURG	BW6

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	1.5	27.62					18402

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.5	1.539	99.1

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.5	27.62	18402	987	99.62	0.25	0.24333	0.24217	0.26399	RANDOM	17.94

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]
-0.59		0.22	0.24		0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.497
r_dihedral_angle_4_deg	21.548
r_dihedral_angle_3_deg	15.638
r_dihedral_angle_1_deg	5.199
r_scangle_it	3.5
r_scbond_it	2.354
r_mcangle_it	1.529
r_angle_refined_deg	1.372
r_mcbond_it	1.066
r_nbtor_refined	0.311

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.497
r_dihedral_angle_4_deg	21.548
r_dihedral_angle_3_deg	15.638
r_dihedral_angle_1_deg	5.199
r_scangle_it	3.5
r_scbond_it	2.354
r_mcangle_it	1.529
r_angle_refined_deg	1.372
r_mcbond_it	1.066
r_nbtor_refined	0.311
r_symmetry_vdw_refined	0.232
r_nbd_refined	0.225
r_symmetry_hbond_refined	0.151
r_xyhbond_nbd_refined	0.14
r_chiral_restr	0.087
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	982
Nucleic Acid Atoms
Solvent Atoms	165
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
CCP4	data scaling
SHELXS	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 R01GM157729.