6YIZ

Crystal structure of PqsR (MvfR) ligand-binding domain in complex with triazolo-pyridine inverse agonist A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP293150 mM MgCl2 1.180 M LiCl 0.1 M MES pH 6.2 10 mg/ml PqsR + 1.5 mM triazolo-pyridine inverse agonist A + 0.4 mM Ponceau 4 R
Crystal Properties
Matthews coefficientSolvent content
3.6766.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 109.81α = 90
b = 120.65β = 90
c = 113.19γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2017-10-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, DESY BEAMLINE P111.0332PETRA III, DESYP11

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
12.1693.693.60.1130.1180.0320.999151320478
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.1632.45373.90.542.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2q7v2.16360.321.3620474102550.580.20580.20280.259743.11
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
KeyRefinement Restraint Deviation
f_dihedral_angle_d27.0977
f_angle_d1.593
f_chiral_restr0.0641
f_bond_d0.0143
f_plane_restr0.0096
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3299
Nucleic Acid Atoms
Solvent Atoms64
Heterogen Atoms137

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
PHASERphasing
PDB_EXTRACTdata extraction
STARANISOdata scaling