1ZSN

Synthesis, Biological Activity, and X-Ray Crystal Structural Analysis of Diaryl Ether Inhibitors of Malarial Enoyl ACP Reductase. Part 1:4'-Substituted Triclosan Derivatives


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1NHD 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.62982.35 M (NH4)2SO4, 100 sodium acetate buffer, pH 5.6 , VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 5.60
Crystal Properties
Matthews coefficientSolvent content
2.753

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 131.035α = 90
b = 131.035β = 90
c = 82.946γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120IMAGE PLATEMACSCIENCEOSMIC2005-02-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
12.99229.68315087

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1nhd2.99229.6831429275899.80.1910.1880.190.2630.26RANDOM29.7
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]
0.520.52-1.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.116
r_dihedral_angle_3_deg21.099
r_dihedral_angle_4_deg18.54
r_scangle_it6.332
r_dihedral_angle_1_deg5.867
r_scbond_it4.616
r_mcangle_it3.847
r_mcbond_it2.376
r_angle_refined_deg1.477
r_nbtor_refined0.32
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4634
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms126

Software

Software
Software NamePurpose
XDIPdata collection
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
XDIPdata reduction