5LQM

Structure of quinolinate synthase Y21F mutant in complex with citrate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION298PEG3350, sodium citrate, KCl, anaerobic
Crystal Properties
Matthews coefficientSolvent content
2.1843.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.807α = 90
b = 48.936β = 104.62
c = 60.422γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2015-10-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID30B0.96862ESRFID30B

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.6237.53910.0440.998122.534681
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.621.68620.4540.491.82.4

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4P3X1.6237.5332948173390.950.152120.149450.20136RANDOM23.029
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]
1.33-1.16-0.73
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.17
r_dihedral_angle_4_deg18.581
r_dihedral_angle_3_deg12.594
r_dihedral_angle_1_deg5.27
r_mcangle_other2.488
r_mcangle_it2.478
r_scangle_other2.476
r_scbond_it2.136
r_scbond_other2.129
r_angle_refined_deg1.535
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.17
r_dihedral_angle_4_deg18.581
r_dihedral_angle_3_deg12.594
r_dihedral_angle_1_deg5.27
r_mcangle_other2.488
r_mcangle_it2.478
r_scangle_other2.476
r_scbond_it2.136
r_scbond_other2.129
r_angle_refined_deg1.535
r_angle_other_deg1
r_chiral_restr0.102
r_bond_refined_d0.012
r_gen_planes_refined0.006
r_bond_other_d0.002
r_gen_planes_other0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2401
Nucleic Acid Atoms
Solvent Atoms282
Heterogen Atoms21

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing