3RIM

Crystal structure of mycobacterium tuberculosis Transketolase (Rv1449c)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2R8Omodel of Rv1449c with E. coli transketolase (pdb entry 2r8o) as template

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.5293.1517% PEG 10000, 0.1M ammonium acetate in 0.1M bis-tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K
Crystal Properties
Matthews coefficientSolvent content
2.3246.88

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.53α = 82.2
b = 80.12β = 81.16
c = 130.1γ = 66.37
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2009-10-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA0.979SLSX06DA

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
12.494128.1296.6291429
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.492.6491.160.590.4312.773.913701

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUTmodel of Rv1449c with E. coli transketolase (pdb entry 2r8o) as template2.4919.812.019142986846457996.690.225440.222980.2721RANDOM27.069
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]
0.910.21-1.641-0.24-1.5
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.555
r_dihedral_angle_4_deg22.458
r_dihedral_angle_3_deg17.625
r_dihedral_angle_1_deg6.235
r_scangle_it2.603
r_angle_refined_deg1.634
r_scbond_it1.572
r_mcangle_it1.064
r_mcbond_it0.566
r_chiral_restr0.097
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.555
r_dihedral_angle_4_deg22.458
r_dihedral_angle_3_deg17.625
r_dihedral_angle_1_deg6.235
r_scangle_it2.603
r_angle_refined_deg1.634
r_scbond_it1.572
r_mcangle_it1.064
r_mcbond_it0.566
r_chiral_restr0.097
r_bond_refined_d0.017
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms21150
Nucleic Acid Atoms
Solvent Atoms410
Heterogen Atoms156

Software

Software
Software NamePurpose
XDSdata scaling
PHASERphasing
REFMACrefinement
XDSdata reduction