2X0U

STRUCTURE OF THE P53 CORE DOMAIN MUTANT Y220C BOUND TO A 2-amino substituted benzothiazole scaffold

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2	294	SITTING DROP VAPOR DIFFUSION AT 21 DEGREE C. PROTEIN SOLUTION: 6 MG/ML PROTEIN IN 25 MM SODIUM PHOSPHATE PH 7.2, 150 MM KCL, 5 MM DTT. RESERVOIR BUFFER: 100 MM HEPES PH 7.2, 19% PEG 4000, 5 MM DTT. SOAKING BUFFER: SATURATED SOLUTION OF SMALL MOLECULE LIGAND IN 100 MM HEPES PH 7.2, 10 MM SODIUM PHOSPHATE PH 7.2, 19% PEG 4000, 20% GLYCEROL, 150 MM KCL.

Crystal Properties
Matthews coefficient	Solvent content
2.5	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.06	α = 90
b = 71.14	β = 90
c = 105.41	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	CCD	ADSC CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02		Diamond	I02

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	1.6	35.5	99.9	0.07	15.8	6.2		65261		2	11.92

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	1.6	1.69	100		0.31	5.2	5.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2J1X	1.6	24.712	1.25	124481	6185	99.79	0.1663	0.1649	0.1933	17.3

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]
3.598			-2.9284		-0.6696

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.924
f_angle_d	1.12
f_chiral_restr	0.081
f_bond_d	0.007
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3054
Nucleic Acid Atoms
Solvent Atoms	656
Heterogen Atoms	16

Software

Software
Software Name	Purpose
PHENIX	refinement
PHENIX	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.