3UX0

Crystal structure of human 14-3-3 sigma in complex with TASK-3 peptide and stabilizer Fusicoccin H

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	0.095M HEPES Na, 0.19M calcium chloride, 5% glycerol, 26.6% PEG400, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.59	52.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.9	α = 90
b = 111.04	β = 90
c = 62.35	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	2011-11-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	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	19.464	97.7	0.049	23.75	5.86	28378	28378	-3	-3	24.991

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	93.5		0.215	6.32		4390

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	19.46	28378	28378	1419	100	0.1535	0.1535	0.1515	0.1916	RANDOM	19.6787

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]
0.79			-0.42		-0.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.408
r_dihedral_angle_4_deg	15.715
r_dihedral_angle_3_deg	14.617
r_dihedral_angle_1_deg	11.742
r_scangle_it	4.765
r_scbond_it	2.931
r_mcangle_it	1.821
r_angle_refined_deg	1.742
r_mcbond_it	1.044
r_chiral_restr	0.121

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.408
r_dihedral_angle_4_deg	15.715
r_dihedral_angle_3_deg	14.617
r_dihedral_angle_1_deg	11.742
r_scangle_it	4.765
r_scbond_it	2.931
r_mcangle_it	1.821
r_angle_refined_deg	1.742
r_mcbond_it	1.044
r_chiral_restr	0.121
r_bond_refined_d	0.02
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1853
Nucleic Acid Atoms
Solvent Atoms	333
Heterogen Atoms	45

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.