3G0J

Crystal Structure of the fifth Bromodomain of Human Poly-bromodomain containing protein 1 (PB1)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	0.2M Na_nitrate, 25% w/v PEG 3350, 5% v/v ethylene glycol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.46	49.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.57	α = 90
b = 57.37	β = 90
c = 137.3	γ = 90

Symmetry
Space Group	P 2 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	IMAGE PLATE	RIGAKU RAXIS IV		2008-12-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.5

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.78	30.831	98.9	0.079	0.079	18.2	8.8	28619	28304			22.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.78	1.88	100		0.703	0.703	2.6	9	4085

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	ensemble of 3DWY, 3DAI, 3D7C, 2OUO, 2OSS, 2OO1, 2NXB, 2GRC	1.78	29.45	28246	1428	98.84	0.193	0.193	0.19	0.237	RANDOM	15.392

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]
0.45			-0.29		-0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.468
r_dihedral_angle_3_deg	14.478
r_dihedral_angle_4_deg	13.52
r_scangle_it	6.667
r_scbond_it	5.21
r_dihedral_angle_1_deg	5.187
r_mcangle_it	3.557
r_mcbond_it	2.808
r_angle_refined_deg	1.373
r_mcbond_other	1.266

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.468
r_dihedral_angle_3_deg	14.478
r_dihedral_angle_4_deg	13.52
r_scangle_it	6.667
r_scbond_it	5.21
r_dihedral_angle_1_deg	5.187
r_mcangle_it	3.557
r_mcbond_it	2.808
r_angle_refined_deg	1.373
r_mcbond_other	1.266
r_angle_other_deg	0.926
r_chiral_restr	0.083
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1870
Nucleic Acid Atoms
Solvent Atoms	263
Heterogen Atoms	20

Software

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

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 R01GM133198.