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Crystal Structure of a novel tetrahydropyrazolo[1,5-a]pyrazine in an engineered PI3K alpha
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4JPS PDB ENTRY 4JPS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 303.15 12% PEG 3350, 120mM potassium thiocyanate
Crystal Properties Matthews coefficient Solvent content 2.27 45.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 104.483 α = 90 b = 106.525 β = 90 c = 133.507 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 103.15 PIXEL DECTRIS PILATUS 6M 2011-08-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.389 48.65 100 0.068 0.063 19.4 6.7 59769 63.64
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.389 2.45 100 2.1 6.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (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 Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 4JPS 2.39 48.65 56611 3010 99.97 0.2015 0.1991 0.2098 0.247 0.257 RANDOM 65.66
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] 1.2808 6.7352 -8.016
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 18.27 t_omega_torsion 2.51 t_angle_deg 1.04 t_bond_d 0.009 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 18.27 t_omega_torsion 2.51 t_angle_deg 1.04 t_bond_d 0.009 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10070 Nucleic Acid Atoms Solvent Atoms 288 Heterogen Atoms 31
Software Software Software Name Purpose BUSTER refinement