2X4K

Crystal structure of SAR1376, a putative 4-oxalocrotonate tautomerase from the methicillin-resistant Staphylococcus aureus (MRSA)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
151.49M AMMONIUM SULFATE, 0.1M SODIUM ACETATE PH 5.0, 0.1M ZINC SULFATE, 25% ETHYLENE GLYCOL. CRYSTAL WAS CRYOPROTECTED DIRECTLY IN THIS SOLUTION WITH AMMONIUM SULPHATE CONCENTRATION OF 1.6M
Crystal Properties
Matthews coefficientSolvent content
1.9837.83

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.19α = 90
b = 50.19β = 90
c = 150.62γ = 120
Symmetry
Space GroupP 63 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEFUJIFILMMIRRORS2007-11-16MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM14ESRFBM14

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
11.128.498.70.0522.711.719685
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)
11.11.1398.30.444.356.1

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 DIFFRACTIONMADTHROUGHOUTNONE1.128.4643774229198.730.1880.187630.19533RANDOM9.348
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]
-0.14-0.07-0.140.22
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.12
r_dihedral_angle_4_deg16.653
r_dihedral_angle_3_deg11.574
r_dihedral_angle_1_deg5.321
r_scangle_it3.307
r_scbond_it2.082
r_mcangle_it1.542
r_angle_refined_deg1.219
r_mcbond_it0.89
r_angle_other_deg0.852
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.12
r_dihedral_angle_4_deg16.653
r_dihedral_angle_3_deg11.574
r_dihedral_angle_1_deg5.321
r_scangle_it3.307
r_scbond_it2.082
r_mcangle_it1.542
r_angle_refined_deg1.219
r_mcbond_it0.89
r_angle_other_deg0.852
r_rigid_bond_restr0.678
r_mcbond_other0.191
r_chiral_restr0.069
r_bond_refined_d0.007
r_gen_planes_refined0.004
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms954
Nucleic Acid Atoms
Solvent Atoms69
Heterogen Atoms19

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
SCALEPACKdata scaling
SHELXCDEphasing