5EPJ

Crystal Structure of chromodomain of CBX7 in complex with inhibitor UNC3866

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	20% PEG 3350, 0.2 M ammonium formate

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.286	α = 90
b = 40.286	β = 90
c = 82.092	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	RIGAKU SATURN A200		2014-04-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.6	36.17	99.9	0.039	0.04	0.011	1	51.8	12.4		9487

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63	98.2		0.187	0.196	0.056	0.979	13.8	12.3	448

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 (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	1.6	36.17	8760	671	99.7	0.2382	0.2366	0.2599	12.164

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]
0.04			0.04		-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.532
r_dihedral_angle_4_deg	13.592
r_dihedral_angle_3_deg	13.315
r_dihedral_angle_1_deg	5.958
r_mcangle_it	1.945
r_angle_refined_deg	1.589
r_mcbond_it	1.21
r_mcbond_other	1.18
r_angle_other_deg	0.907
r_chiral_restr	0.097
r_bond_refined_d	0.015
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	470
Nucleic Acid Atoms
Solvent Atoms	48
Heterogen Atoms	34

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
PHASER	phasing