4TQE

Structure of tau peptide in complex with Tau5 antibody Fab fragment

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		295	0.2M lithium sulphate, 30% PEG 4000, 0.1M Tris pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.865	α = 90
b = 59.732	β = 112.76
c = 71.041	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	PIXEL	DECTRIS PILATUS 6M		2011-12-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)	1.2669	PETRA III, EMBL c/o DESY	P14 (MX2)

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	1.6	65.51	94.6	0.056	10.71	3.18		60326

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	1.6	1.64	77.8		0.858	1.06	2.52

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	12E8	1.6	65.51	57450	3041	94.93	0.1535	0.15118	0.19715	RANDOM	26.795

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]
-1.02		-0.51	1.01		0.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.668
r_sphericity_free	25.065
r_dihedral_angle_4_deg	15.52
r_dihedral_angle_3_deg	12.396
r_sphericity_bonded	8.35
r_dihedral_angle_1_deg	6.463
r_rigid_bond_restr	5.474
r_long_range_B_refined	4.807
r_long_range_B_other	4.807
r_scangle_other	3.729
r_mcangle_it	3.528
r_mcangle_other	3.528
r_scbond_it	3.243
r_scbond_other	3.241
r_mcbond_it	2.884
r_mcbond_other	2.884
r_angle_refined_deg	1.37
r_angle_other_deg	0.75
r_chiral_restr	0.083
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3463
Nucleic Acid Atoms
Solvent Atoms	377
Heterogen Atoms	39

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
PHASER	phasing
XSCALE	data scaling