2HYJ

The crystal structure of a tetR-family transcriptional regulator from Streptomyces coelicolor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	0.1M Na Hepes, 0.2M Calcium chloride, 28% PEG400, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.79	55.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.864	α = 90
b = 82.678	β = 90
c = 178.933	γ = 90

Symmetry
Space Group	I 2 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	ADSC QUANTUM 315	mirrors	2006-08-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97980	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	2.19	89.4	99.43	0.122	18.04	8.9	12463	12388		2	38

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	2.19	2.25	99.7		0.56	2.2	7	924

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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	2.19	44.7	2	12463	12388	635	99.43	0.1939	0.1913	0.2469	RANDOM	37.136

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]
1.18			-0.34		-0.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.138
r_dihedral_angle_4_deg	18.117
r_dihedral_angle_3_deg	15.561
r_dihedral_angle_1_deg	4.972
r_scangle_it	3.836
r_scbond_it	2.351
r_angle_refined_deg	1.289
r_mcangle_it	1.219
r_mcbond_it	0.717
r_symmetry_metal_ion_refined	0.479
r_nbtor_refined	0.296
r_nbd_refined	0.216
r_symmetry_hbond_refined	0.181
r_xyhbond_nbd_refined	0.178
r_symmetry_vdw_refined	0.171
r_chiral_restr	0.094
r_metal_ion_refined	0.02
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1474
Nucleic Acid Atoms
Solvent Atoms	127
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building