4J5X | pdb_00004j5x

Crystal Structure of the SR12813-bound PXR/RXRalpha LBD Heterotetramer Complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277.15	16-20% PEG 8000, 0.1-0.2 M MgCl, 0.1 M bis-tris proprane, 0.02% sodium azide, pH 7.0, vapor diffusion, hanging drop, temperature 277.15K

Crystal Properties
Matthews coefficient	Solvent content
2.74	55.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.09	α = 90
b = 120.3	β = 90
c = 175.79	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	MARMOSAIC 300 mm CCD		2012-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.000	APS	23-ID-D

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	2.735	99.279					40105			37.44

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.8	45.646	1.99	37133	1830	99.32	0.2479	0.2452	0.2478	0.2977	0.2448	random	54.3479

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	20.138
f_angle_d	0.966
f_chiral_restr	0.06
f_bond_d	0.004
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8545
Nucleic Acid Atoms
Solvent Atoms	160
Heterogen Atoms	66

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
JBluIce-EPICS	data collection
XDS	data reduction
XSCALE	data scaling
PHASER	phasing