4FL5

Crystal structure of human 14-3-3 sigma in complex with a Tau-protein peptide surrounding pS214

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	0.1 M Hepes/NaOH pH 7.5, 0.2 M CaCl2, 28% PEG 400, 5% glycerol, 2 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.69	α = 90
b = 70.08	β = 90
c = 128.13	γ = 90

Symmetry
Space Group	P 21 21 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		2009-08-25	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	1.9	19.643	99.6	0.047	21.78		45268	45097	-3	-3	23.532

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	1.9	2	99.5		0.233	5.88

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.9	19.64	45097	45096	2255	100	0.1589	0.1561	0.2117	RANDOM	17.8038

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]
0.14			-0.56		0.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.461
r_dihedral_angle_4_deg	18.602
r_dihedral_angle_3_deg	15.005
r_dihedral_angle_1_deg	12.577
r_scangle_it	4.919
r_scbond_it	3.221
r_mcangle_it	2.081
r_angle_refined_deg	1.951
r_mcbond_it	1.277
r_chiral_restr	0.151

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.461
r_dihedral_angle_4_deg	18.602
r_dihedral_angle_3_deg	15.005
r_dihedral_angle_1_deg	12.577
r_scangle_it	4.919
r_scbond_it	3.221
r_mcangle_it	2.081
r_angle_refined_deg	1.951
r_mcbond_it	1.277
r_chiral_restr	0.151
r_bond_refined_d	0.024
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3695
Nucleic Acid Atoms
Solvent Atoms	529
Heterogen Atoms	30

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
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.