1S0X

Crystal structure of the human RORalpha ligand binding domain in complex with cholesterol sulfate at 2.2A

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1N83	PDB ENTRY 1N83

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	277	PEG 4000, magnesium chloride, Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.4	α = 90
b = 49.9	β = 97.8
c = 60.7	γ = 90

Symmetry
Space Group	P 1 21 1

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		2002-10-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.9200	SLS	X06SA

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	2.2	20	99.7	0.079	0.079	16.2	3.5	16541	16541			32.9

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	2.28	99.4

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	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 1N83	2.2	20	15671	15671	830	99.57	0.19734	0.19734	0.19672	0.20874	RANDOM	35.919

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]
2		-0.79	-0.15		-2.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.222
r_scangle_it	4.207
r_dihedral_angle_1_deg	3.301
r_scbond_it	2.509
r_mcangle_it	1.669
r_angle_refined_deg	1.398
r_mcbond_it	0.833
r_angle_other_deg	0.743
r_symmetry_hbond_refined	0.392
r_xyhbond_nbd_other	0.323
r_symmetry_vdw_other	0.31
r_nbd_refined	0.255
r_xyhbond_nbd_refined	0.232
r_symmetry_vdw_refined	0.213
r_nbd_other	0.209
r_chiral_restr	0.079
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2066
Nucleic Acid Atoms
Solvent Atoms	256
Heterogen Atoms	32

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
CCP4	data scaling