3CV2

Atomic Resolution Structures of Escherichia coli and Bacillis anthracis Malate Synthase A: Comparison with Isoform G and Implications for Structure Based Drug Design


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.52980.1M PIPES pH 6.5, 0.1M ammonium sulfate, 27% PEG 8K. Data collected 3 months after set-up, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.346.61

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 75.202α = 90
b = 71.475β = 90.06
c = 103.261γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152007-05-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.21.00ALS5.0.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.43097.12294891
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.41.4594.7

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 REPLACEMENTTHROUGHOUT1.425.011985691053097.530.171440.169940.19981RANDOM15.284
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]
-0.060.01-0.110.17
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.981
r_dihedral_angle_4_deg15.48
r_dihedral_angle_3_deg12.657
r_sphericity_free5.483
r_dihedral_angle_1_deg5.415
r_sphericity_bonded3.059
r_scangle_it2.946
r_scbond_it2.116
r_mcangle_it1.513
r_angle_refined_deg1.224
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.981
r_dihedral_angle_4_deg15.48
r_dihedral_angle_3_deg12.657
r_sphericity_free5.483
r_dihedral_angle_1_deg5.415
r_sphericity_bonded3.059
r_scangle_it2.946
r_scbond_it2.116
r_mcangle_it1.513
r_angle_refined_deg1.224
r_mcbond_it1.056
r_rigid_bond_restr0.953
r_angle_other_deg0.909
r_mcbond_other0.489
r_symmetry_vdw_other0.224
r_nbd_refined0.214
r_nbd_other0.196
r_nbtor_refined0.182
r_symmetry_vdw_refined0.132
r_symmetry_hbond_refined0.132
r_xyhbond_nbd_refined0.13
r_nbtor_other0.084
r_chiral_restr0.074
r_bond_refined_d0.01
r_gen_planes_refined0.006
r_bond_other_d0.001
r_gen_planes_other0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8430
Nucleic Acid Atoms
Solvent Atoms1156
Heterogen Atoms77

Software

Software
Software NamePurpose
REFMACrefinement
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing