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Identification, Synthesis, and SAR of Amino Substituted Pyrido[3,2b]pryaziones as Potent and Selective PDE5 Inhibitors
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP VAPOR DIFFUSION, SITTING DROP
Crystal Properties Matthews coefficient Solvent content 2.26 45.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 56.015 α = 90 b = 76.502 β = 102.9 c = 80.72 γ = 90
Symmetry Space Group C 1 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 103 IMAGE PLATE RIGAKU RAXIS II mirrors M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.8 25 99.9 0.052 26.796 3.98 30784 30728 14.4
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.8 1.86 99.9 0.087 0.087 14.1 3067
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 1.8 19.67 30707 1558 99.87 0.181 0.179 0.1894 0.21 0.218 RANDOM 17.821
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] -0.46 0.79 -0.19 1
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.046 r_dihedral_angle_4_deg 17.662 r_dihedral_angle_3_deg 14.076 r_dihedral_angle_1_deg 4.922 r_scangle_it 2.547 r_scbond_it 1.675 r_angle_refined_deg 1.009 r_angle_other_deg 0.871 r_mcangle_it 0.866 r_mcbond_it 0.585
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.046 r_dihedral_angle_4_deg 17.662 r_dihedral_angle_3_deg 14.076 r_dihedral_angle_1_deg 4.922 r_scangle_it 2.547 r_scbond_it 1.675 r_angle_refined_deg 1.009 r_angle_other_deg 0.871 r_mcangle_it 0.866 r_mcbond_it 0.585 r_symmetry_vdw_other 0.26 r_symmetry_hbond_refined 0.254 r_nbd_refined 0.217 r_symmetry_vdw_refined 0.214 r_nbd_other 0.18 r_nbtor_refined 0.178 r_xyhbond_nbd_refined 0.154 r_mcbond_other 0.112 r_nbtor_other 0.085 r_chiral_restr 0.06 r_bond_refined_d 0.008 r_gen_planes_refined 0.003 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2617 Nucleic Acid Atoms Solvent Atoms 385 Heterogen Atoms 24
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection PHASER phasing