8SII

Crystal Structure of CBX7 with compound UNC4976

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5EPJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	291	2.5 M Ammonium Sulfate, 0.1 M BIS-Tris propane PH7.0

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.735	α = 90
b = 40.514	β = 90
c = 83.172	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	PIXEL	DECTRIS EIGER X 16M		2022-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.97918	APS	24-ID-E

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	1.37	50	94.9	0.069	0.075	0.029	0.994	10.4	6.5		26991

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	1.37	1.39	80.4		0.431	0.514	0.274	0.659		3.2

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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.37	36.45	25544	1399	94.94	0.19816	0.19683	0.22295	RANDOM	16.316

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]
-0.64			0.74		-0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	25.526
r_dihedral_angle_4_deg	19.499
r_dihedral_angle_3_deg	13.134
r_dihedral_angle_1_deg	6.397
r_long_range_B_refined	3.766
r_long_range_B_other	3.606
r_scangle_other	1.975
r_mcangle_it	1.699
r_mcangle_other	1.699
r_scbond_it	1.27
r_scbond_other	1.23
r_angle_refined_deg	1.179
r_angle_other_deg	1.175
r_mcbond_it	0.986
r_mcbond_other	0.978
r_chiral_restr	0.058
r_bond_refined_d	0.005
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	960
Nucleic Acid Atoms
Solvent Atoms	142
Heterogen Atoms	144

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data scaling
PHASER	phasing
HKL-3000	data reduction