1LV2

Hepatocyte Nuclear Factor 4 is a Transcription Factor that Constitutively Binds Fatty Acids

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		SIRAS model built by fitting pieces of secondary structure into density.

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	294	ammonium phosphate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 21K

Crystal Properties
Matthews coefficient	Solvent content
5.27	76.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 152.708	α = 90
b = 152.708	β = 90
c = 93.421	γ = 90

Symmetry
Space Group	I 41 2 2

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	bent silicon crystal	2000-06-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.0	APS	17-ID

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	2.7	22.4	97.9	0.048	0.048	36.3	15.8	15429	15108		1	67.547

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.7	2.8	99.5		0.4	0.4	3.5	15.4	1846

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	SIRAS	THROUGHOUT	Built by fitting pieces of secondary structure into density.	2.7	19.92	15429	15108	1086	97.9	0.247	0.247	0.245	0.264	RANDOM	71.2

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]
-17.99			-17.99		35.98

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.2
c_scangle_it	4.05
c_scbond_it	2.67
c_mcangle_it	2.3
c_angle_deg	1.6
c_mcbond_it	1.31
c_improper_angle_d	1.1
c_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1774
Nucleic Acid Atoms
Solvent Atoms	14
Heterogen Atoms	18

Software

Software
Software Name	Purpose
MAR345	data collection
HKL-2000	data reduction
SHARP	phasing
CNS	refinement
HKL-2000	data scaling

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 R01GM133198.