4OXY

Substrate-binding loop movement with inhibitor PT10 in the tetrameric Mycobacterium tuberculosis enoyl-ACP reductase InhA


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2X23PDB ENTRY 2X23

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.8298250 mM ammonium acetate, 14% PEG 4000, 6% DMSO
Crystal Properties
Matthews coefficientSolvent content
2.6553.57

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 88.826α = 90
b = 91.076β = 90
c = 148.911γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102009-03-06SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X12C1.1NSLSX12C

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
12.35501000.08117.25105633.95
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)
12.352.391000.3616.72522

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUEPDB ENTRY 2X232.350143.5471.3650974254699.90.16890.16610.2234.2
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]
-0.04482.2799-2.2351
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.959
f_angle_d1.136
f_chiral_restr0.071
f_bond_d0.007
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7663
Nucleic Acid Atoms
Solvent Atoms189
Heterogen Atoms282

Software

Software
Software NamePurpose
HKL-2000data collection
HKL-2000data scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
CNSrefinement
MOLREPphasing