3IG0

crystal structure of the second part of the Mycobacterium tuberculosis DNA gyrase reaction core: the TOPRIM domain at 2.1 A resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8293ammonium sulfate, Tris, PEG 4000, Mgcl2, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4249.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.87α = 90
b = 52.87β = 90
c = 190.22γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rtoroidal mirror + Si(111) monochromator2009-07-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-10.9762ESRFID23-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.113.9699.10.1470.14113.18.61664016487-333.746
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)
2.12.386.50.5560.5563.343347

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2ZJT2.113.96164871648779999.580.21590.21590.21420.2486RANDOM40.02
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]
0.769480310.76948031-1.53896062
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d23.475
t_it1.158
t_angle_deg0.835
t_nbd0.037
t_gen_planes0.011
t_trig_c_planes0.005
t_bond_d0.004
t_incorr_chiral_ct
t_pseud_angle
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1474
Nucleic Acid Atoms
Solvent Atoms107
Heterogen Atoms

Software

Software
Software NamePurpose
Adxvdata processing
AMoREphasing
BUSTER-TNTrefinement
XDSdata reduction
XSCALEdata scaling