2OO8

Synthesis, Structural Analysis, and SAR Studies of Triazine Derivatives as Potent, Selective Tie-2 Inhibitors


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP729814-18 % (w/v) PEG 3350, and 0.2 M tri-Potassium Citrate (pH 6.5-7.5), and 2% (v/v) isopropanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4549.71

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.604α = 90
b = 62.604β = 90
c = 181.043γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVosmic2003-06-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

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
12.23598.90.03818.81814017941-1-1
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)
2.22.28980.2655.761822

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)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 REPLACEMENTTHROUGHOUT2.259.13181401794197198.910.235420.233180.27862RANDOM39.787
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]
1.161.16-2.32
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.515
r_dihedral_angle_4_deg20.007
r_dihedral_angle_3_deg14.554
r_dihedral_angle_1_deg5.48
r_scangle_it2.65
r_scbond_it1.729
r_mcangle_it1.212
r_angle_refined_deg1.206
r_mcbond_it0.699
r_nbtor_refined0.3
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.515
r_dihedral_angle_4_deg20.007
r_dihedral_angle_3_deg14.554
r_dihedral_angle_1_deg5.48
r_scangle_it2.65
r_scbond_it1.729
r_mcangle_it1.212
r_angle_refined_deg1.206
r_mcbond_it0.699
r_nbtor_refined0.3
r_symmetry_hbond_refined0.202
r_nbd_refined0.191
r_xyhbond_nbd_refined0.151
r_symmetry_vdw_refined0.13
r_chiral_restr0.076
r_bond_refined_d0.011
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2000
Nucleic Acid Atoms
Solvent Atoms121
Heterogen Atoms39

Software

Software
Software NamePurpose
REFMACrefinement
CrystalCleardata collection
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing