7DHY

Arsenic-bound p53 DNA-binding domain mutant G245S

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291	0.1 M Tris (pH 8.0-8.5), 20% (w/v) PEG 8000, 0.2 M Li2SO4, 2 mM EDTA, and 2 mM As2O3

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.109	α = 90
b = 68.243	β = 90.03
c = 83.621	γ = 90

Symmetry
Space Group	P 1 21 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	PIXEL	DECTRIS PILATUS3 6M		2018-01-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL18U1	0.97853	SSRF	BL18U1

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	2.15	50	94.8	0.083	12.7	4.2		41923

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	2.15	2.22	93.3		0.26	6.6	6.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	2J1Y	2.15	48.21	37578	2007	94.39	0.1888	0.1872	0.219	RANDOM	37.004

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]
-22.7		-7.7	32.45		-9.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.018
r_dihedral_angle_3_deg	12.966
r_dihedral_angle_4_deg	11.591
r_dihedral_angle_1_deg	5.907
r_angle_refined_deg	1.304
r_angle_other_deg	1.001
r_chiral_restr	0.064
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.005
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6114
Nucleic Acid Atoms
Solvent Atoms	517
Heterogen Atoms	55

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XDS	data scaling
PHASER	phasing