4TQH

Human transthyretin (TTR) complexed with 3-(9H-fluoren-9-ylideneaminooxy)ethanoic acid

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.7	293	protein: 5 mg/ml 0.05 M NaCl, 0.05 M Na acetate, pH 5.5 with 1 milli-M ligand. Precipitant: 60% (30% PEG-4K, 0.2 M imidazole malate, pH 6.0) and 40% (24% MPEG-5K, 0.1M sodium acetate, pH 5.5). Cryoprotectant: 40% (25 % diethylene glycol, 12.5 % MPD, 37.5 % 2,3-butanediol, 12.5 % 1,4-dioxane), 12.5% MPEG 5K, 25% MPEG 550, 100 mM (sodium propionate, sodium cacodylate, Bis-Tris-propane(50% component A pH 4; 50% B pH 9.5) and 1 mM ligand.

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.44	α = 90
b = 85.96	β = 90
c = 63	γ = 90

Symmetry
Space Group	P 21 21 2

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-F		2014-01-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.87006	ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.51	43	99.9	0.122	0.121	12.8	9.13	36880	36840		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.51	1.6	99.7		0.7	9.34

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	FOURIER SYNTHESIS	THROUGHOUT	4TQ8	1.511	38.055	1.33	36829	1841	99.88	0.1872	0.1853	0.222	Random

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.623
f_angle_d	1.639
f_chiral_restr	0.049
f_bond_d	0.007
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1810
Nucleic Acid Atoms
Solvent Atoms	322
Heterogen Atoms	42

Software

Software
Software Name	Purpose
PHENIX	refinement
Coot	model building
XDS	data scaling
MxCuBE	data collection

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.