4DHT

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	7.3	277	0.095M HEPES Na, 0.19M calcium chloride, 5% glycerol, 28% PEG400, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.32	α = 90
b = 112.34	β = 90
c = 62.53	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	PSI PILATUS 6M	Sagittal - horizontal: Si(111) monochromator; Meridional - vertical: Dynamically bendable mirror	2011-05-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.9778	SLS	X10SA

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	1.8	45.52	98.7	0.072	13.53	3.84	26906	26906	-3	-3	26.522

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	1.8	1.95	99.1		0.307	4.14		5697

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	1.8	45.52	26906	26906	1346	100	0.1643	0.1643	0.1621	0.206	RANDOM	20.1926

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]
0.81			-0.16		-0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.755
r_dihedral_angle_4_deg	17.485
r_dihedral_angle_3_deg	15.889
r_scangle_it	5.251
r_dihedral_angle_1_deg	4.903
r_scbond_it	3.331
r_mcangle_it	2.009
r_angle_refined_deg	1.924
r_mcbond_it	1.228
r_chiral_restr	0.141

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.755
r_dihedral_angle_4_deg	17.485
r_dihedral_angle_3_deg	15.889
r_scangle_it	5.251
r_dihedral_angle_1_deg	4.903
r_scbond_it	3.331
r_mcangle_it	2.009
r_angle_refined_deg	1.924
r_mcbond_it	1.228
r_chiral_restr	0.141
r_bond_refined_d	0.024
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1798
Nucleic Acid Atoms
Solvent Atoms	291
Heterogen Atoms	31

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.