Experiment: 3EET

Crystal structure of putative GntR-family transcriptional regulator

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	297	0.2M Na formate,20%PEG3350, 1/400 thermolysin w/w, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.157	α = 90
b = 87.157	β = 90
c = 123.752	γ = 120

Symmetry
Space Group	P 3 2 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	ADSC QUANTUM 315		2008-08-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97857	APS	19-ID

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	1.969	50	99.8	0.079	48.8	10.7		74259		-3	33.6

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)
	1.97	1.99	100		0.665	3.45	8.7	987

Refinement

Statistics
Diffraction ID	Structure Solution 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)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	1.969	36.198	74259	74259	3728	99.71	0.1782	0.1782	0.1761	0.179	0.2182	0.2036

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_deg	15.255
f_angle_d	0.923
f_bond_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3688
Nucleic Acid Atoms
Solvent Atoms	215
Heterogen Atoms

Software

Software
Software Name	Purpose
SBC-Collect	data collection
HKL-3000	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling