2Q0J

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	6.5	292	100 mM imidazole, 0.6 M NaAc, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.76	α = 90
b = 66.09	β = 97.19
c = 110.26	γ = 90

Symmetry
Space Group	P 1 21 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	MARMOSAIC 225 mm CCD		2006-02-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.9786	SLS	X10SA

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	2.1	19.82	97.8	0.071	13.73			36642		-3	32.976

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)
	2.1	2.2	97.5		0.357	4.6		4717

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	2.1	19.82	36641	1854	97.96	0.154	0.151	0.211	RANDOM	25.76

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	34.402
r_dihedral_angle_4_deg	19.31
r_dihedral_angle_3_deg	16.044
r_dihedral_angle_1_deg	6.366
r_angle_other_deg	4.175
r_scangle_it	4.003
r_scbond_it	2.798
r_angle_refined_deg	1.731
r_mcangle_it	1.51
r_mcbond_it	0.901
r_symmetry_vdw_refined	0.537
r_symmetry_vdw_other	0.349
r_nbd_other	0.26
r_symmetry_hbond_refined	0.259
r_nbd_refined	0.236
r_xyhbond_nbd_refined	0.198
r_nbtor_refined	0.18
r_chiral_restr	0.11
r_nbtor_other	0.11
r_metal_ion_refined	0.053
r_bond_refined_d	0.019
r_gen_planes_other	0.014
r_gen_planes_refined	0.008
r_bond_other_d
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4854
Nucleic Acid Atoms
Solvent Atoms	376
Heterogen Atoms	22

Software

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