3ON4 | pdb_00003on4

Crystal structure of TetR transcriptional regulator from Legionella pneumophila

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	277	0.2 M Li2SO4, 0.1 M Tris/HCl, 40% (w/v) PEG400, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.38	α = 90
b = 124.99	β = 90
c = 151.38	γ = 90

Symmetry
Space Group	P 21 21 21

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 210r	mirrors	2010-07-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97967	APS	19-BM

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	1.85	50	99.8	0.082	21.5	4.8	139276	130984		-3	22

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)
	1.85	1.88	99.9		0.734	2.4	4.8	6468

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	THROUGHOUT	1.85	48.19	130318	130318	1310	99.72	0.17947	0.17947	0.1791	0.1939	0.21781	0.2297	RANDOM	21.748

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]
0.18			-0.69		0.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.143
r_dihedral_angle_4_deg	16.374
r_dihedral_angle_3_deg	12.361
r_dihedral_angle_1_deg	4.785
r_scangle_it	2.841
r_scbond_it	1.808
r_angle_refined_deg	1.117
r_mcangle_it	1.005
r_angle_other_deg	0.857
r_mcbond_it	0.564
r_mcbond_other	0.185
r_chiral_restr	0.072
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11750
Nucleic Acid Atoms
Solvent Atoms	844
Heterogen Atoms	11

Software

Software
Software Name	Purpose
SBC-Collect	data collection
SHELX	model building
MLPHARE	phasing
DM	model building
ARP/wARP	model building
Coot	model building
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
SHELX	phasing
DM	phasing