3PRZ

Quinazolines with intra-molecular hydrogen bonding scaffold (iMHBS) as PI3K/mTOR dual inhibitors.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION8.22860.1M BIS-TRIS PROPANE, 0.2M (NH4)2SO4, 16-18% (W/V) PEG3350, 10% (V/V) ETHYLENE GLYCOL AND 10MM TCEP , pH 8.2, VAPOR DIFFUSION, temperature 286K
Crystal Properties
Matthews coefficientSolvent content
2.3146.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 143.871α = 90
b = 67.188β = 95.65
c = 106.437γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDADSC QUANTUM 3152008-04-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.21.00ALS5.0.2

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
12.65097.40.05821.323.59305831096411171.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.62.6682.10.5951.452.81723

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT2.644.733056030560152997.370.25140.25140.24980.2808RANDOM65.95
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]
5.1302-3.9048-13.50768.3774
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion22.38
t_omega_torsion2.87
t_angle_deg1.28
t_bond_d0.009
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_chiral_improper_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6816
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms20

Software

Software
Software NamePurpose
HKL-2000data collection
CNSrefinement
BUSTERrefinement
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing