2D1F

Structure of Mycobacterium tuberculosis threonine synthase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.9295NaAc, NaCl, PEG 3350, pH 7.9, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.244

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.964α = 90
b = 55.964β = 90
c = 368.378γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42004-08-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-40.9393ESRFID14-4

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.52092.60.0713.94.21970019700
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.5956.40.3472.23

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT2.520197001970010470.190910.190910.187390.25617RANDOM40.928
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]
2.941.472.94-4.41
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.182
r_dihedral_angle_3_deg20.752
r_dihedral_angle_4_deg18.693
r_dihedral_angle_1_deg6.004
r_scangle_it1.491
r_angle_refined_deg1.33
r_scbond_it0.949
r_mcangle_it0.635
r_mcbond_it0.362
r_nbtor_refined0.305
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.182
r_dihedral_angle_3_deg20.752
r_dihedral_angle_4_deg18.693
r_dihedral_angle_1_deg6.004
r_scangle_it1.491
r_angle_refined_deg1.33
r_scbond_it0.949
r_mcangle_it0.635
r_mcbond_it0.362
r_nbtor_refined0.305
r_nbd_refined0.22
r_xyhbond_nbd_refined0.165
r_symmetry_vdw_refined0.16
r_symmetry_hbond_refined0.144
r_chiral_restr0.093
r_bond_refined_d0.013
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5084
Nucleic Acid Atoms
Solvent Atoms54
Heterogen Atoms30

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing