2UV0

Structure of the P. aeruginosa LasR ligand-binding domain bound to its autoinducer

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.3		20% W/V PEG 4000, 80 MM CALCIUM ACETATE, 40 MM HEPES PH 7.3, 5 MM DTT AND 50 MICROMOLAR N-3-OXO-DODECANOYL-HOMOSERINE LACTONE.

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.82	α = 90
b = 85.33	β = 95.82
c = 75.51	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	MARRESEARCH	MIRRORS	2005-02-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A		EMBL/DESY, HAMBURG	BW7A

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	1.8	40	97.8	0.09	26.4	8.1		61495		2

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	1.8	1.9	96.9		0.58	3.1	7.5

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	SAD	THROUGHOUT	1.8	40	58208	3112	97.5	0.211	0.209	0.254	RANDOM	3.69

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]
-0.63		0.23	0.32		0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.256
r_dihedral_angle_4_deg	16.752
r_dihedral_angle_3_deg	15.158
r_dihedral_angle_1_deg	5.555
r_scangle_it	1.772
r_scbond_it	1.371
r_angle_other_deg	1.282
r_angle_refined_deg	1.098
r_mcbond_it	0.573
r_mcangle_it	0.562
r_symmetry_vdw_other	0.223
r_nbd_refined	0.203
r_nbd_other	0.185
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.152
r_symmetry_vdw_refined	0.142
r_symmetry_hbond_refined	0.138
r_nbtor_other	0.085
r_chiral_restr	0.061
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5203
Nucleic Acid Atoms
Solvent Atoms	542
Heterogen Atoms	84

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
CNX	phasing