4B1F

Design of Inhibitors of Helicobacter pylori Glutamate Racemase as Selective Antibacterial Agents: Incorporation of Imidazoles onto a Core Pyrazolopyrimidinedione Scaffold to Improve Bioavailabilty


X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficientSolvent content
2.2545.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.933α = 90
b = 75.974β = 90
c = 108.935γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRFESRF

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
12.05693.80.087.84.1290912
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)
12.052.190.70.322.23.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT2.0524.6729091157493.30.187960.185170.23931RANDOM26.286
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]
-0.14-0.380.52
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.802
r_dihedral_angle_4_deg20.107
r_dihedral_angle_3_deg14.471
r_dihedral_angle_1_deg6.458
r_angle_refined_deg1.83
r_angle_other_deg0.851
r_chiral_restr0.096
r_bond_refined_d0.017
r_gen_planes_refined0.01
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.802
r_dihedral_angle_4_deg20.107
r_dihedral_angle_3_deg14.471
r_dihedral_angle_1_deg6.458
r_angle_refined_deg1.83
r_angle_other_deg0.851
r_chiral_restr0.096
r_bond_refined_d0.017
r_gen_planes_refined0.01
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_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
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 Atoms4024
Nucleic Acid Atoms
Solvent Atoms221
Heterogen Atoms86

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing