4IJJ

Structure of transcription factor DksA2 from Pseudomonas aeruginosa

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295	100 mM Hepes pH 7.5, 100 mM ammonium sulfate, 16.5% PEG 8000, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.93	68.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 169.453	α = 90
b = 169.453	β = 90
c = 92.32	γ = 120

Symmetry
Space Group	P 6 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	MARMOSAIC 300 mm CCD		2010-04-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	1.0	APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	3.25	50	99.4			12184	12111		2

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	MOLECULAR REPLACEMENT	THROUGHOUT	3.25	40	12111	611	99.49	0.25922	0.25655	0.30953	RANDOM	94.567

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]
5.07	2.53		5.07		-7.6

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.786
r_dihedral_angle_3_deg	22.183
r_dihedral_angle_4_deg	16.417
r_dihedral_angle_1_deg	5.496
r_scangle_it	1.21
r_angle_refined_deg	1.08
r_scbond_it	0.687
r_mcangle_it	0.52
r_nbtor_refined	0.299
r_mcbond_it	0.276
r_nbd_refined	0.222
r_symmetry_hbond_refined	0.177
r_symmetry_vdw_refined	0.169
r_xyhbond_nbd_refined	0.142
r_chiral_restr	0.07
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3177
Nucleic Acid Atoms
Solvent Atoms	21
Heterogen Atoms	15

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling