2O2J

Mycobacterium tuberculosis tryptophan synthase beta chain dimer (apoform)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52930.1 M Hepes, 2.0 M Ammonium Formate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1542.67

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 83.823α = 90
b = 114.966β = 90
c = 159.27γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mmAu-coated planar; toroidal mirrors2004-02-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMPG/DESY, HAMBURG BEAMLINE BW61.05MPG/DESY, HAMBURGBW6

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
12.563096.90.04713.5223336226082
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)
2.562.6393.40.36721.81622

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2O2E2.56102333522608122496.90.214410.209580.30376RANDOM45.799
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]
-0.02-0.020.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.157
r_dihedral_angle_3_deg22.836
r_dihedral_angle_4_deg21.047
r_dihedral_angle_1_deg10.041
r_scangle_it6.314
r_scbond_it4.433
r_angle_refined_deg3.112
r_mcangle_it2.913
r_mcbond_it1.838
r_nbtor_refined0.345
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.157
r_dihedral_angle_3_deg22.836
r_dihedral_angle_4_deg21.047
r_dihedral_angle_1_deg10.041
r_scangle_it6.314
r_scbond_it4.433
r_angle_refined_deg3.112
r_mcangle_it2.913
r_mcbond_it1.838
r_nbtor_refined0.345
r_symmetry_vdw_refined0.325
r_symmetry_hbond_refined0.305
r_nbd_refined0.3
r_xyhbond_nbd_refined0.217
r_chiral_restr0.193
r_bond_refined_d0.039
r_gen_planes_refined0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4738
Nucleic Acid Atoms
Solvent Atoms20
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
MAR345data collection
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing