1XNX | pdb_00001xnx

Crystal structure of constitutive androstane receptor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	287	3Xmolar excess of androstenol to purified mCAR LBD and incubate at RT for 1 h. 1uL 6-8 mg/ml protein plus 1 uL well solution (18% PEG400, 0.2 M CaCl2, 0.1 M HEPES, pH7.2). Additive: 0.01 M L-cysteine, VAPOR DIFFUSION, HANGING DROP, temperature 287K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.353	α = 90
b = 155.042	β = 90
c = 134.607	γ = 90

Symmetry
Space Group	C 2 2 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 225 mm CCD		2004-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 5ID-B		APS	5ID-B

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	2.9	29.55				14394	14394			63.6

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.9	29.55	14394	14394	1465	99.9	0.2291	0.2291	0.229	0.2105	0.288	0.2569	RANDOM	43.3

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]
-0.11			5.87		-5.76

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.6
c_scangle_it	7.35
c_scbond_it	5.39
c_mcangle_it	3.19
c_mcbond_it	2.06
c_angle_deg	1.3
c_improper_angle_d	0.89
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3790
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms	40

Software

Software
Software Name	Purpose
XDS	data scaling
XDS	data reduction
AMoRE	phasing
CNS	refinement