3OZL

Crystal structure of human transthyretin variant A25T in complex with flufenamic acid.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	0.1 M Hepes sodium pH 7.5, 28% PEG 400, 0.2 calcium chloride dihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 293K, soaking for 1 h with ligand.

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.93	α = 90
b = 85.607	β = 90
c = 65.228	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	CCD	MARMOSAIC 225 mm CCD		2008-03-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE W01B-MX2	1.4586	LNLS	W01B-MX2

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	1.9	65.233	98.6	0.057	0.057	17.5	4.6	19697	19697			24.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2	97.6		0.31	0.31	2.4	4.6	2811

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	PDB entry 3I9A	1.9	26.14	19685	1009	98.16	0.2011	0.1987	0.2474	RANDOM	24.2611

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]
1.07			-0.85		-0.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.694
r_dihedral_angle_4_deg	18.273
r_dihedral_angle_3_deg	15.72
r_dihedral_angle_1_deg	5.891
r_scangle_it	2.383
r_scbond_it	1.64
r_angle_refined_deg	1.368
r_mcangle_it	1.231
r_mcbond_it	0.712
r_nbtor_refined	0.298

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.694
r_dihedral_angle_4_deg	18.273
r_dihedral_angle_3_deg	15.72
r_dihedral_angle_1_deg	5.891
r_scangle_it	2.383
r_scbond_it	1.64
r_angle_refined_deg	1.368
r_mcangle_it	1.231
r_mcbond_it	0.712
r_nbtor_refined	0.298
r_symmetry_vdw_refined	0.238
r_nbd_refined	0.204
r_xyhbond_nbd_refined	0.146
r_symmetry_hbond_refined	0.134
r_chiral_restr	0.083
r_bond_refined_d	0.014
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1789
Nucleic Acid Atoms
Solvent Atoms	152
Heterogen Atoms	40

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	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.