2W9H

Wild-type Staphylococcus aureus DHFR in complex with trimethoprim


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.430 MM CITRIC ACID / 40 MM BIS-TRIS PROPANE PH 6.4; 13.3% PEG3350; 16.7% PEG6000
Crystal Properties
Matthews coefficientSolvent content
1.7930.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.997α = 90
b = 37.032β = 105.55
c = 48.991γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray273CCDADSC CCDSI2007-06-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-BMAPS17-BM

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
11.485095.10.04333.623540
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)
11.481.5398.70.08183.4

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 REPLACEMENTTHROUGHOUT1.4847.19223611178950.170.1680.212RANDOM14.96
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]
0.01-0.1-0.090.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.257
r_dihedral_angle_3_deg13.975
r_dihedral_angle_4_deg10.983
r_dihedral_angle_1_deg6.608
r_scangle_it4.452
r_scbond_it3.218
r_mcangle_it2.57
r_mcbond_it1.722
r_angle_refined_deg1.073
r_symmetry_vdw_refined0.326
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.257
r_dihedral_angle_3_deg13.975
r_dihedral_angle_4_deg10.983
r_dihedral_angle_1_deg6.608
r_scangle_it4.452
r_scbond_it3.218
r_mcangle_it2.57
r_mcbond_it1.722
r_angle_refined_deg1.073
r_symmetry_vdw_refined0.326
r_nbtor_refined0.321
r_symmetry_hbond_refined0.254
r_nbd_refined0.221
r_xyhbond_nbd_refined0.12
r_chiral_restr0.09
r_bond_refined_d0.006
r_gen_planes_refined0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
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 Atoms1273
Nucleic Acid Atoms
Solvent Atoms92
Heterogen Atoms25

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling
AMoREphasing