2B9A

Human transthyretin (TTR) complexed with diflunisal analogues- TTR.3',5'-difluorobiphenyl-4-carboxylic acid

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BMZ	PDB ENTRY 1BMZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	ammonium sulfate, 100 mM KCL, 1 mM EDTA, 10 mM sodium phosphate, soaked with the inhibitor, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.935	α = 90
b = 84.852	β = 90
c = 63.742	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	CCD-PXL-L600		2002-06-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-D	1.0	APS	14-BM-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.54	42.18	95	0.03			33741	33741

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	1.54	1.6	98

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 1BMZ	1.54	42.18	33741	33720	1693	95.7	0.23099	0.22234	0.24593	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
r_dihedral_angle_2_deg	32.202
r_dihedral_angle_3_deg	15.82
r_dihedral_angle_4_deg	15.3
r_dihedral_angle_1_deg	6.68
r_scangle_it	4.113
r_scbond_it	2.829
r_angle_refined_deg	2.724
r_mcangle_it	2.014
r_mcbond_it	1.265
r_nbtor_refined	0.319

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.202
r_dihedral_angle_3_deg	15.82
r_dihedral_angle_4_deg	15.3
r_dihedral_angle_1_deg	6.68
r_scangle_it	4.113
r_scbond_it	2.829
r_angle_refined_deg	2.724
r_mcangle_it	2.014
r_mcbond_it	1.265
r_nbtor_refined	0.319
r_symmetry_hbond_refined	0.264
r_symmetry_vdw_refined	0.248
r_nbd_refined	0.238
r_xyhbond_nbd_refined	0.184
r_chiral_restr	0.123
r_bond_refined_d	0.067
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1718
Nucleic Acid Atoms
Solvent Atoms	191
Heterogen Atoms	34

Software

Software
Software Name	Purpose
AMoRE	phasing
REFMAC	refinement
XDS	data reduction
SCALEPACK	data scaling

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.