3OVL

Structure of an amyloid forming peptide VQIVYK from the TAU protein in complex with orange G

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291	reservoir contained 0.1M Zinc Acetate dihydrate, 18% PEG 3350, vapor diffusion, hanging drop, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.056	α = 90
b = 4.831	β = 102.98
c = 22.127	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315		2008-11-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.9792	APS	24-ID-E

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	1.8	90	87.6	0.179	4.5	2.4	587	587		-3	19.9

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	1.8	1.94	71		0.433		1.4	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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.81	26.82	586	586	61	87.99	0.2589	0.2589	0.2589	0.259	RANDOM	20.2828

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]
-0.66		-0.24	-0.7		1.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.537
r_dihedral_angle_3_deg	8.441
r_dihedral_angle_1_deg	6.501
r_scangle_it	3.319
r_scbond_it	2.252
r_mcangle_it	1.64
r_angle_refined_deg	1.22
r_mcbond_it	1.089
r_angle_other_deg	0.627
r_mcbond_other	0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.537
r_dihedral_angle_3_deg	8.441
r_dihedral_angle_1_deg	6.501
r_scangle_it	3.319
r_scbond_it	2.252
r_mcangle_it	1.64
r_angle_refined_deg	1.22
r_mcbond_it	1.089
r_angle_other_deg	0.627
r_mcbond_other	0.41
r_chiral_restr	0.08
r_bond_refined_d	0.011
r_bond_other_d	0.005
r_gen_planes_refined	0.003
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	53
Nucleic Acid Atoms
Solvent Atoms	2
Heterogen Atoms	33

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
DENZO	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.