3MB4

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

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3G0J	PDB entry 3G0J

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	0.15M NaNO3 25% PEG 3350 10% Ethylene Glycol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.957	α = 90
b = 52.221	β = 90
c = 134.964	γ = 90

Symmetry
Space Group	P 21 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		2009-11-02	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	1.66	50	99.9	0.067	0.064	25	7.2	36073	36037

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	1.66	1.72	99.8		0.955	0.817	1.97	6.6	3536

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	PDB entry 3G0J	1.66	19.01	35920	35898	1795	99.94	0.198	0.198	0.197	0.219	RANDOM	37.169

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]
1.75			-0.68		-1.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.209
r_dihedral_angle_4_deg	16.528
r_dihedral_angle_3_deg	13.335
r_scangle_it	7.757
r_scbond_it	6.561
r_dihedral_angle_1_deg	4.991
r_mcangle_it	3.655
r_mcbond_it	2.6
r_angle_refined_deg	1.473
r_angle_other_deg	0.934

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.209
r_dihedral_angle_4_deg	16.528
r_dihedral_angle_3_deg	13.335
r_scangle_it	7.757
r_scbond_it	6.561
r_dihedral_angle_1_deg	4.991
r_mcangle_it	3.655
r_mcbond_it	2.6
r_angle_refined_deg	1.473
r_angle_other_deg	0.934
r_mcbond_other	0.886
r_chiral_restr	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1896
Nucleic Acid Atoms
Solvent Atoms	208
Heterogen Atoms	38

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
HKL-2000	data reduction
HKL-2000	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.