2VW8

Crystal Structure of Quinolone signal response protein pqsE from Pseudomonas aeruginosa


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1640% PEG 400, 0.1M NA-CACODYLATE, PH6.0, 0.2M MAGNESIUM ACETATE
Crystal Properties
Matthews coefficientSolvent content
2.1242

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 103.37α = 90
b = 57.69β = 97.07
c = 50.24γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHMIRRORS2008-02-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM14ESRFBM14

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.453097.90.0418.393.78511283
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.451.4994.90.423.113.74

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUTNONE1.4551.348512261697.920.167130.166130.18597RANDOM15.665
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]
-0.260.210.78-0.47
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.993
r_dihedral_angle_4_deg13.754
r_dihedral_angle_3_deg11.236
r_dihedral_angle_1_deg5.404
r_scangle_it2.656
r_scbond_it1.912
r_angle_refined_deg1.173
r_mcangle_it0.933
r_angle_other_deg0.883
r_mcbond_it0.848
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.993
r_dihedral_angle_4_deg13.754
r_dihedral_angle_3_deg11.236
r_dihedral_angle_1_deg5.404
r_scangle_it2.656
r_scbond_it1.912
r_angle_refined_deg1.173
r_mcangle_it0.933
r_angle_other_deg0.883
r_mcbond_it0.848
r_symmetry_vdw_other0.326
r_nbd_refined0.221
r_nbd_other0.193
r_nbtor_refined0.173
r_symmetry_vdw_refined0.156
r_xyhbond_nbd_refined0.111
r_symmetry_hbond_refined0.096
r_nbtor_other0.082
r_chiral_restr0.071
r_bond_refined_d0.008
r_gen_planes_refined0.004
r_bond_other_d0.002
r_gen_planes_other0.001
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 AtomsNumber
Protein Atoms2393
Nucleic Acid Atoms
Solvent Atoms175
Heterogen Atoms11

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
SHELXphasing