4GUH

1.95 Angstrom Crystal Structure of the Salmonella enterica 3-Dehydroquinate Dehydratase (aroD) E86A Mutant in Complex with Dehydroshikimate (Crystal Form #2)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP9300protein: 7.5 mg/mL in 0.5 M sodium chloride, 0.01 M Tris-HCl, crystallization condition: Qiagen PEG B6 (0.1 M MIB buffer, pH 9.0, 25% w/v PEG1500), 25 mM dehydroquinic acid crystal soak, VAPOR DIFFUSION, SITTING DROP, temperature 300K
Crystal Properties
Matthews coefficientSolvent content
1.8934.81

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36.838α = 90
b = 71.671β = 90
c = 171.755γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCDBeryllium lens2012-06-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.97857APS21-ID-G

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
11.953099.90.08137.13421334213-3
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)
11.951.9899.90.61136.91655

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3L2I1.9528.633236232362174699.820.192920.192920.189940.24735RANDOM34.952
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]
-1.114.4-3.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.046
r_dihedral_angle_4_deg14.069
r_dihedral_angle_3_deg10.691
r_dihedral_angle_1_deg3.152
r_angle_refined_deg1.437
r_angle_other_deg0.728
r_chiral_restr0.085
r_bond_refined_d0.01
r_gen_planes_refined0.006
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.046
r_dihedral_angle_4_deg14.069
r_dihedral_angle_3_deg10.691
r_dihedral_angle_1_deg3.152
r_angle_refined_deg1.437
r_angle_other_deg0.728
r_chiral_restr0.085
r_bond_refined_d0.01
r_gen_planes_refined0.006
r_bond_other_d0.001
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4002
Nucleic Acid Atoms
Solvent Atoms243
Heterogen Atoms23

Software

Software
Software NamePurpose
Blu-Icedata collection
PHASERphasing
REFMACrefinement
HKL-3000data reduction
HKL-3000data scaling