3NZU

Structure-based Optimization of Pyrazolo -Pyrimidine and -Pyridine Inhibitors of PI3-Kinase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5289PEG 3350, 0.2M NH4SO4, 0.1M Tris-HCl 8.5, vapor diffusion, hanging drop, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.3647.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 144.004α = 90
b = 67.677β = 95.52
c = 106.362γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDADSC QUANTUM 3152008-04-10SINGLE
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.11.0ALS5.0.1

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
12.65099.90.04917.73.731733
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)
2.62.691000.5923.83132

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 REPLACEMENT2.619.881.3531490158799.860.21430.21290.240597.2593
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]
2.20441.8965-4.71392.5095
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.846
f_angle_d0.473
f_chiral_restr0.034
f_bond_d0.002
f_plane_restr0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6670
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms27

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction