1UHL

Crystal structure of the LXRalfa-RXRbeta LBD heterodimer

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	305	MES, PEG, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 305K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.634	α = 90
b = 88.996	β = 90
c = 90.795	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARRESEARCH		2002-09-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	1.11	MAX II	I711

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	2.9	19.65	99.9	0.093	9.2	6.4	12550	12550

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.9	3	99.8		0.42	1.9

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	1DKF	2.9	19.65	12550	12550	638	99.9	0.22394	0.2239	0.21872	0.32649	RANDOM	32.838

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]
-0.01			0.01		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	10.618
r_scangle_it	5.085
r_scbond_it	3.08
r_angle_refined_deg	2.776
r_mcangle_it	1.93
r_mcbond_it	1.016
r_nbd_refined	0.298
r_symmetry_vdw_refined	0.283
r_symmetry_hbond_refined	0.221
r_chiral_restr	0.194

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	10.618
r_scangle_it	5.085
r_scbond_it	3.08
r_angle_refined_deg	2.776
r_mcangle_it	1.93
r_mcbond_it	1.016
r_nbd_refined	0.298
r_symmetry_vdw_refined	0.283
r_symmetry_hbond_refined	0.221
r_chiral_restr	0.194
r_xyhbond_nbd_refined	0.189
r_bond_refined_d	0.029
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3645
Nucleic Acid Atoms
Solvent Atoms	12
Heterogen Atoms	50

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing

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.