Experiment: 7B4N

Structural basis of reactivation of oncogenic p53 mutants by a small molecule: methylene quinuclidinone (MQ). Human wild-type p53DBD bound to DNA and MQ: wt-DNA-MQ (II)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2AC0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION		292	Protein/DNA ratio 1:2.4, 0.1M TRIS pH=8.5, 2% Tacsimate(TM) pH=8.0, 16% w/v PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 137.771	α = 90
b = 49.982	β = 93.233
c = 34.025	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	100	PIXEL	DECTRIS PILATUS 6M		2014-04-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.97600	ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.32	100	99.3	0.06	0.063	0.018	8.8	10.7		53678

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	1.32	1.34	97.5		0.524	0.564	0.203	0.895		6.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2AC0	1.32	46.98	1.35	53673	3756	99.05	0.1422	0.1404	0.1437	0.1655	0.1691	23.1

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	23.4067
f_angle_d	1.0567
f_chiral_restr	0.0926
f_bond_d	0.0076
f_plane_restr	0.0074

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1508
Nucleic Acid Atoms	243
Solvent Atoms	294
Heterogen Atoms	37

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction