4DES

Crystal Structure of the Wild Type TTR Binding Chrysin (TTRwt:CHR)

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	0.2 M calcium chloride, 0.1 M HEPES, pH 7.5, 28% PEG400, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.476	α = 90
b = 83.286	β = 90
c = 62.54	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		2009-07-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE W01B-MX2	1.43	LNLS	W01B-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	1.7	30	97.7	0.095	7.8	4.8	24539	24539	2	2

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	1.7	1.76	88.6		0.454		3.8	2164

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.75	29.27	23804	22668	1136	98.13	0.1969	0.1969	0.1953	0.2261	RANDOM	19.9638

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]
			-0.02		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.373
r_dihedral_angle_4_deg	20.548
r_dihedral_angle_3_deg	14.931
r_dihedral_angle_1_deg	6.256
r_scangle_it	3.596
r_scbond_it	2.216
r_angle_refined_deg	1.663
r_mcangle_it	1.58
r_mcbond_it	0.85
r_chiral_restr	0.089
r_bond_refined_d	0.014
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1770
Nucleic Acid Atoms
Solvent Atoms	162
Heterogen Atoms	38

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
HKL-2000	data reduction
PHASER	phasing