Experiment: 3E6M

The crystal structure of a MarR family transcriptional regulator from Silicibacter pomeroyi DSS.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	289	20% PEG1000, 0.1M Phosphate-citrate 0.2M Li2SO4, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.51	51.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.433	α = 90
b = 93.198	β = 90.02
c = 101.556	γ = 90

Symmetry
Space Group	P 1 21 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	mirror	2007-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97915	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	2.2	39.6	97.8	0.09	20.9	4.4		136295

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)
	2.2	2.24	84.3		0.695	1.54	3.5	3027

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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2.2	39.6	136295	136295	6965	96.06	0.1874	0.1874	0.1849	0.1849	0.2303	0.2222	randon	-13.7642

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]
	-15.6703	1.5849	23.6588		-15.6703

RMS Deviations
Key	Refinement Restraint Deviation
f_angle_refined_deg	1.223
f_bond_refined_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9047
Nucleic Acid Atoms
Solvent Atoms	485
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SHELXD	phasing
MLPHARE	phasing
DM	phasing
RESOLVE	phasing
HKL-3000	phasing