2Q0I

Structure of Pseudomonas Quinolone Signal Response Protein PqsE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.6	292	100 mM HEPES, 200 mM MgCl2, 30% PEG400, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.1	α = 90
b = 61.1	β = 90
c = 145.7	γ = 120

Symmetry
Space Group	P 32 2 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	ADSC QUANTUM 4		2004-05-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.934	ESRF	ID14-2

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	1.57	20	98.6	0.051	23.93			44378		-3	27.131

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)
	1.57	1.67	92		0.253	6.5		6857

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		THROUGHOUT	1.57	20	44378	2236	98.82	0.122	0.12	0.169	RANDOM	18.026

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.92
r_dihedral_angle_4_deg	17.798
r_dihedral_angle_3_deg	13.571
r_scangle_it	7.534
r_dihedral_angle_1_deg	6.317
r_scbond_it	5.802
r_mcangle_it	3.454
r_mcbond_it	3.109
r_angle_refined_deg	2.089
r_mcbond_other	1.78
r_angle_other_deg	1.486
r_symmetry_vdw_other	0.423
r_symmetry_vdw_refined	0.304
r_symmetry_hbond_refined	0.295
r_xyhbond_nbd_other	0.255
r_nbd_other	0.238
r_nbd_refined	0.234
r_xyhbond_nbd_refined	0.21
r_nbtor_refined	0.181
r_chiral_restr	0.145
r_nbtor_other	0.087
r_bond_refined_d	0.027
r_metal_ion_refined	0.014
r_gen_planes_refined	0.011
r_gen_planes_other	0.004
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2458
Nucleic Acid Atoms
Solvent Atoms	346
Heterogen Atoms	11

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing