3IPQ

X-ray structure of GW3965 synthetic agonist bound to the LXR-alpha

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		In-house LXR-alpha structure

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		298	100mM (NH4)2SO4, 40mM Tris-HCl pH 7.8, 60mM Imidazole pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.593	α = 90
b = 125.593	β = 90
c = 92.405	γ = 90

Symmetry
Space Group	I 4 2 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	ADSC QUANTUM 4		2007-04-27		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.9330	ESRF	ID14-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	15.75				25146	25146

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2	2.1	100

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	In-house LXR-alpha structure	2	15.75	23788	1279	99.69	0.20085	0.19912	0.23358	RANDOM	21.605

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]
0.06			0.06		-0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.787
r_dihedral_angle_4_deg	19.604
r_dihedral_angle_3_deg	14.402
r_dihedral_angle_1_deg	5.384
r_scangle_it	3.691
r_scbond_it	2.518
r_mcangle_it	1.508
r_angle_refined_deg	1.485
r_mcbond_it	1.4
r_angle_other_deg	1.009
r_symmetry_vdw_other	0.291
r_mcbond_other	0.224
r_nbd_refined	0.209
r_nbd_other	0.185
r_nbtor_refined	0.179
r_xyhbond_nbd_refined	0.151
r_symmetry_vdw_refined	0.134
r_symmetry_hbond_refined	0.122
r_chiral_restr	0.088
r_nbtor_other	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1922
Nucleic Acid Atoms
Solvent Atoms	118
Heterogen Atoms	46

Software

Software
Software Name	Purpose
ADSC	data collection
AMoRE	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling