4M3F

Rapid and efficient design of new inhibitors of Mycobacterium tuberculosis transcriptional repressor EthR using fragment growing, merging and linking approaches


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.72931.4-1.65 M ammonium sulfate, 15% glycerol, 0.1 M MES, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.6152.86

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 121.089α = 90
b = 121.089β = 90
c = 33.854γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-12-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA1.0000SLSX06DA

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
1240.36399.70.2198.910.51762117621
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)
122.1198.10.0373.6970.210.12468

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT238.29175798891000.23670.23420.2845RANDOM36.5164
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]
0.020.02-0.05
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.392
r_dihedral_angle_4_deg20.239
r_dihedral_angle_3_deg17.022
r_dihedral_angle_1_deg6.254
r_scangle_it5.178
r_scbond_it3.417
r_mcangle_it2.112
r_angle_refined_deg1.951
r_mcbond_it1.221
r_chiral_restr0.131
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.392
r_dihedral_angle_4_deg20.239
r_dihedral_angle_3_deg17.022
r_dihedral_angle_1_deg6.254
r_scangle_it5.178
r_scbond_it3.417
r_mcangle_it2.112
r_angle_refined_deg1.951
r_mcbond_it1.221
r_chiral_restr0.131
r_bond_refined_d0.024
r_gen_planes_refined0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1500
Nucleic Acid Atoms
Solvent Atoms11
Heterogen Atoms21

Software

Software
Software NamePurpose
SCALAdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
XSCALEdata scaling