3VUQ

Crystal structure of TTHA0167, a transcriptional regulator, TetR/AcrR family from Thermus thermophilus HB8

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	4.6	293	30% PEG300, 0.2M phosphate citrate, 0.15M lithium chloride, pH 4.6, micro-batch, temperature 293.0K
2	MICROBATCH	4.2	293	30% PEG300, 0.2 M phosphate citrate, pH 4.2, micro-batch, temperature 293.0K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.327	α = 90
b = 174.821	β = 92.43
c = 56.158	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	MARMOSAIC 225 mm CCD	a fixed exit Si double crystal monochromator followed by a two dimensional focusing mirror	2009-07-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B2	1.0	SPring-8	BL26B2

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	2.04	50	98.2	0.046	29.1	4.2		53147			14

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	2.04	2.09	79.1		0.266	5.77	4.1	3090

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.05	30.32	52190	5271	97.8	0.201	0.201	0.25	RANDOM	35.2

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]
-0.58		0.27	0.26		0.32

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	17.1
c_scangle_it	11.33
c_scbond_it	8.94
c_mcangle_it	7.26
c_mcbond_it	6.03
c_angle_deg	1.1
c_improper_angle_d	0.83
c_bond_d	0.008
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	5767
Nucleic Acid Atoms
Solvent Atoms	296
Heterogen Atoms

Software

Software
Software Name	Purpose
BSS	data collection
SOLVE	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling