4DHU

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, SITTING DROP	7.1	277	0.095M HEPES Na, 0.19M calcium chloride, 5% glycerol, 27% PEG400, pH 7.1, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.73	54.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.32	α = 90
b = 112.46	β = 90
c = 62.5	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	2011-11-22	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	1.67	19.547	98.8	0.032	45.03	7.8	33635	33635	-3	-3	21.938

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	1.67	1.75	94.1		0.12	13.16		4129

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	1.67	19.547	33635	33634	1682	100	0.1333	0.1333	0.131	0.1762	RANDOM	16.9125

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]
0.62			-0.17		-0.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.77
r_dihedral_angle_4_deg	15.419
r_dihedral_angle_3_deg	14.082
r_sphericity_free	7.768
r_scangle_it	5.2
r_dihedral_angle_1_deg	4.492
r_sphericity_bonded	3.964
r_scbond_it	3.457
r_mcangle_it	2.265
r_rigid_bond_restr	2.013

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.77
r_dihedral_angle_4_deg	15.419
r_dihedral_angle_3_deg	14.082
r_sphericity_free	7.768
r_scangle_it	5.2
r_dihedral_angle_1_deg	4.492
r_sphericity_bonded	3.964
r_scbond_it	3.457
r_mcangle_it	2.265
r_rigid_bond_restr	2.013
r_angle_refined_deg	1.718
r_mcbond_it	1.476
r_chiral_restr	0.119
r_bond_refined_d	0.019
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1799
Nucleic Acid Atoms
Solvent Atoms	407
Heterogen Atoms	36

Software

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

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.