Experiment: 1HLZ

CRYSTAL STRUCTURE OF THE ORPHAN NUCLEAR RECEPTOR REV-ERB(ALPHA) DNA-BINDING DOMAIN BOUND TO ITS COGNATE RESPONSE ELEMENT

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1A6Y	PDB Entry 1A6Y, residues 132-198 from chain A & B, plus DNA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	290	25% PEG8000, 5 mM MgCl2, 400 mM NaCl, Tris buffer, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.867	α = 84.13
b = 39.603	β = 72.09
c = 58.565	γ = 70.2

Symmetry
Space Group	P 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	IMAGE PLATE	FUJI	Double crystal monochromator with sagittally focussed second crystal. Two spherical mirrors.	1997-04-05	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.92016	NSLS	X4A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.7	18.62	97	0.09	9	3.1	7671	7671			58.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.7	2.8	92.7		0.44	2.1	3.1	7691

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB Entry 1A6Y, residues 132-198 from chain A & B, plus DNA	2.8	18.6	6854	6854	732	96.9	0.2599	0.2599	0.2599	0.2604	0.3103	0.2614	Random	60.81

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]
-39.691	-1.626	-2.807	10.855	-10.126	28.836

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.271
c_angle_deg	3.8266
c_improper_angle_d	1.8505
c_bond_d	0.0165

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1160
Nucleic Acid Atoms	814
Solvent Atoms	9
Heterogen Atoms	4

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement