4DHR

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	7.1	277	0.095M HEPES Na, 0.19M calcium chloride, 5% glycerol, 28% PEG400, pH 7.1, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.62	53.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.2	α = 90
b = 112.34	β = 90
c = 62.51	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	IMAGE PLATE	MAR scanner 345 mm plate	mirrors	2011-11-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	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	1.4	45.49	98.2	0.035	22.96	4.9	56179	56179	-3	-3	22.324

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	1.4	1.5	97.7		0.301	4.06		10556

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	1.4	45.49	56179	56179	2809	100	0.1271	0.1271	0.1255	0.1579	RANDOM	19.4644

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]
0.12			0.27		-0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.976
r_dihedral_angle_4_deg	18.127
r_sphericity_free	13.677
r_dihedral_angle_3_deg	13.618
r_sphericity_bonded	7.834
r_scangle_it	7.076
r_scbond_it	4.896
r_dihedral_angle_1_deg	4.872
r_mcangle_it	3.6
r_rigid_bond_restr	2.752

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.976
r_dihedral_angle_4_deg	18.127
r_sphericity_free	13.677
r_dihedral_angle_3_deg	13.618
r_sphericity_bonded	7.834
r_scangle_it	7.076
r_scbond_it	4.896
r_dihedral_angle_1_deg	4.872
r_mcangle_it	3.6
r_rigid_bond_restr	2.752
r_mcbond_it	2.508
r_angle_refined_deg	2.301
r_chiral_restr	0.218
r_bond_refined_d	0.026
r_gen_planes_refined	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1799
Nucleic Acid Atoms
Solvent Atoms	323
Heterogen Atoms	35

Software

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

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.