3KNW

Crystal structure of a putative transcriptional regulator (TetR/AcrR family member) from putative transcriptional regulator (TetR/AcrR family)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	277	0.1 M TRIS, 20% PEG-1000, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.741	α = 90
b = 73.768	β = 90
c = 106.921	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	2009-08-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.9794	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	2.45	30	98.9	0.088	23.5	5.3	19022	18816	2	2	65.8

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	2.45	2.49	96.4		0.52	2.8	4.1	908

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.45	30	2	2	17997	17687	961	98.92	0.213	0.21265	0.20992	0.26327	RANDOM	18.764

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]
-2.87			-2.39		5.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.907
r_dihedral_angle_4_deg	20.152
r_dihedral_angle_3_deg	18.59
r_dihedral_angle_1_deg	6.346
r_scangle_it	3.56
r_scbond_it	2.288
r_angle_refined_deg	1.685
r_mcangle_it	1.581
r_angle_other_deg	0.992
r_mcbond_it	0.864
r_mcbond_other	0.187
r_chiral_restr	0.094
r_bond_refined_d	0.02
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2834
Nucleic Acid Atoms
Solvent Atoms	25
Heterogen Atoms	4

Software

Software
Software Name	Purpose
SBC-Collect	data collection
Auto-Rickshaw	phasing
SHELX	model building
CCP4	model building
MLPHARE	phasing
NANtMRF	model building
DM	model building
RESOLVE	model building
SHARP	phasing
ARP/wARP	model building
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
SHELX	phasing
CCP4	phasing
NANtMRF	phasing
DM	phasing
RESOLVE	phasing