3T0M

Small-molecule inhibitors of 14-3-3 protein-protein interactions from virtual screening

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	0.095M HEPES Na salt, 0.19M calcium chloride, 5% glycerol, 25.6% PEG 400, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.09	α = 90
b = 112.3	β = 90
c = 62.37	γ = 90

Symmetry
Space Group	C 2 2 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 PILATUS 6M		2011-05-20	M	SINGLE WAVELENGTH
2	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate	Multilayer mirrors (VariMax)	2011-04-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.9778	SLS	X10SA
2	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

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	1.62	45.42	98.6	0.09	13.87	6.73	37003	36467	-3	-3	24.424

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	1.62	1.7	96.7		0.388	4.04		4759

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.62	45.42	34642	34642	1824	100	0.1573	0.1573	0.1552	0.1978	RANDOM	20.171

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]
0.87			-0.38		-0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.176
r_dihedral_angle_4_deg	15.429
r_dihedral_angle_3_deg	13.707
r_scangle_it	5.875
r_dihedral_angle_1_deg	5.656
r_scbond_it	3.665
r_mcangle_it	2.306
r_angle_refined_deg	2.223
r_mcbond_it	1.405
r_chiral_restr	0.164

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.176
r_dihedral_angle_4_deg	15.429
r_dihedral_angle_3_deg	13.707
r_scangle_it	5.875
r_dihedral_angle_1_deg	5.656
r_scbond_it	3.665
r_mcangle_it	2.306
r_angle_refined_deg	2.223
r_mcbond_it	1.405
r_chiral_restr	0.164
r_bond_refined_d	0.026
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1807
Nucleic Acid Atoms
Solvent Atoms	333
Heterogen Atoms	42

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.