1X0J

Crystal structure analysis of the N-terminal bromodomain of human Brd2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	298	PEGMME 5K, AS, pH 6.5, VAPOR DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.3	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.397	α = 90
b = 55.363	β = 94.07
c = 67.584	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	120	CCD	ADSC QUANTUM 4		2004-06-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A	0.9793	Photon Factory	AR-NW12A

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	1.8	20	91.9	0.062		3.4	36172	36172

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)
	1.8	1.86	48.3		0.46

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	SAD	THROUGHOUT	1.8	20	34340	1806	92.1	0.18	0.1797	0.17785	0.21273	RANDOM	30.298

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]
1.04		-0.69	-0.18		-0.96

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	7.002
r_dihedral_angle_1_deg	5.26
r_scbond_it	4.732
r_angle_refined_deg	2.848
r_mcangle_it	2.748
r_mcbond_it	1.469
r_angle_other_deg	1.319
r_symmetry_vdw_other	0.29
r_symmetry_vdw_refined	0.278
r_nbd_other	0.236
r_nbd_refined	0.22
r_chiral_restr	0.198
r_xyhbond_nbd_refined	0.189
r_symmetry_hbond_refined	0.17
r_nbtor_other	0.105
r_bond_refined_d	0.027
r_gen_planes_refined	0.011
r_gen_planes_other	0.009
r_bond_other_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2783
Nucleic Acid Atoms
Solvent Atoms	352
Heterogen Atoms	36

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing
CNS	refinement