4DHQ

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, 27% PEG400, pH 7.1, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.73	55.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.35	α = 90
b = 112.39	β = 90
c = 62.6	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	2011-11-21	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	1.75	19.562	99.3	0.036	39.05	6.99	29498	29498	-3	-3	21.113

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	1.75	1.85	98.4		0.102	13.71		4413

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	1.75	19.56	29498	29498	1475	100	0.1509	0.1509	0.149	0.1891	RANDOM	16.3142

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]
0.49			-0.18		-0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.394
r_dihedral_angle_4_deg	14.311
r_dihedral_angle_3_deg	13.674
r_dihedral_angle_1_deg	11.613
r_scangle_it	4.381
r_scbond_it	2.698
r_angle_refined_deg	1.571
r_mcangle_it	1.568
r_mcbond_it	0.916
r_chiral_restr	0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.394
r_dihedral_angle_4_deg	14.311
r_dihedral_angle_3_deg	13.674
r_dihedral_angle_1_deg	11.613
r_scangle_it	4.381
r_scbond_it	2.698
r_angle_refined_deg	1.571
r_mcangle_it	1.568
r_mcbond_it	0.916
r_chiral_restr	0.11
r_bond_refined_d	0.017
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1822
Nucleic Acid Atoms
Solvent Atoms	435
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.