3CFQ

Crystal structure of human wild-type transthyretin in complex with diclofenac

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	mother liquor: 100 mM Tris, pH7.5, 100 mM KCl, 20 % v/v PEG400; drop: 1 uL mother liquor + 1 uL wtTTR 10 mg/mL; crystals appeared in 5 days; complexes obtained by soaking in mother liquor supplemented with saturating amount of diclofenac, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.07	α = 90
b = 85.49	β = 90
c = 63.62	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	IMAGE PLATE	MAR scanner 345 mm plate	Osmic	2005-06-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU ULTRAX 18	1.5418

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	2.09	85.49	94.7	0.074	0.074	9.2	4.1	13772	13634	2	2	23.8

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)
	2.09	2.2	97.7		0.331	0.331	2.3	4	2018

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3CFM	2.09	35.67	13772	13634	696	93.95	0.211	0.211	0.209	0.249	RANDOM	20.972

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]
0.11			-0.05		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.845
r_dihedral_angle_4_deg	17.673
r_dihedral_angle_3_deg	15.577
r_dihedral_angle_1_deg	6.514
r_angle_refined_deg	1.116
r_scangle_it	0.732
r_mcangle_it	0.725
r_scbond_it	0.42
r_mcbond_it	0.404
r_nbtor_refined	0.304
r_nbd_refined	0.191
r_symmetry_vdw_refined	0.188
r_symmetry_hbond_refined	0.115
r_xyhbond_nbd_refined	0.104
r_chiral_restr	0.074
r_bond_refined_d	0.006
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1957
Nucleic Acid Atoms
Solvent Atoms	162
Heterogen Atoms	38

Software

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