3NXB

Crystal Structure of the Bromodomain of human CECR2

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2OSS	Ensemble of PDB entries 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	2OUO	Ensemble of PDB entries 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	2GRC	Ensemble of PDB entries 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	2OO1	Ensemble of PDB entries 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	3DAI	Ensemble of PDB entries 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	3D7C	Ensemble of PDB entries 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY
experimental model	PDB	3DWY	Ensemble of PDB entries 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277	0.1M MES, 12% PEG 20,000, VAPOR DIFFUSION, SITTING DROP, temperature 277K, pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 127.16	α = 90
b = 45.51	β = 105.67
c = 45.59	γ = 90

Symmetry
Space Group	C 1 2 1

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		2010-06-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.542

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	1.83	29.25	99.3	0.058	0.058	11.7	3.5	22503	22346			30.3

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	1.83	1.92	98.4		0.541	0.541	1.4	3.4	3181

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	Ensemble of PDB entries 2OSS, 2OUO, 2GRC, 2OO1, 3DAI, 3D7C, 3DWY	1.83	29.25	22501	22343	1147	99.3	0.1784	0.1784	0.1764	0.2136	RANDOM	29.5597

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		0.26	0.06		0.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.689
r_dihedral_angle_4_deg	16.07
r_dihedral_angle_3_deg	15.497
r_dihedral_angle_1_deg	5.349
r_angle_refined_deg	1.423
r_angle_other_deg	0.905
r_chiral_restr	0.086
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1639
Nucleic Acid Atoms
Solvent Atoms	209
Heterogen Atoms	12

Software

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