6I0K

Structure of quinolinate synthase in complex with 4-mercaptophthalic acid


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6F48 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7298PEG33500, NaCl, Na2HPO4, MES, anaerobic
Crystal Properties
Matthews coefficientSolvent content
2.2846.13

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.7α = 90
b = 48.38β = 107.66
c = 60.64γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2016-08-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID291.07438ESRFID29

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
11.646.898.70.0850.0960.0450.9978.74.440160
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.61.6699.51.4761.6690.770.3144.6

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 REPLACEMENTTHROUGHOUT6F481.6446.835414184598.330.15890.15640.206RANDOM32.414
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]
-0.4-1.030.330.61
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.498
r_sphericity_free20.632
r_dihedral_angle_4_deg17.636
r_dihedral_angle_3_deg13.548
r_sphericity_bonded9.838
r_dihedral_angle_1_deg5.653
r_rigid_bond_restr1.582
r_angle_refined_deg1.38
r_angle_other_deg1.318
r_chiral_restr0.083
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.498
r_sphericity_free20.632
r_dihedral_angle_4_deg17.636
r_dihedral_angle_3_deg13.548
r_sphericity_bonded9.838
r_dihedral_angle_1_deg5.653
r_rigid_bond_restr1.582
r_angle_refined_deg1.38
r_angle_other_deg1.318
r_chiral_restr0.083
r_bond_refined_d0.007
r_gen_planes_refined0.007
r_bond_other_d0.004
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2384
Nucleic Acid Atoms
Solvent Atoms267
Heterogen Atoms27

Software

Software
Software NamePurpose
XDSdata reduction
Aimlessdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
PHASERphasing