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Investigation of Aminopyridiopyrazinones as PDE5 Inhibitors: Evaluation of Modifications to the Central Ring System.
Crystallization Crystal Properties Matthews coefficient Solvent content 2.14 42.52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.691 α = 90 b = 77.085 β = 101.93 c = 77.514 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 113 IMAGE PLATE RIGAKU RAXIS IV mirrors 2004-06-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 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 1.79 19.27 88.9 0.038 24.3 2.3 26091 33.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.79 1.86 89.7 0.41 1.6 2.3 2610
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 1.79 19.27 26091 1320 88.29 0.198 0.196 0.2058 0.23 0.2374 RANDOM 39.805
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] -0.72 2.34 -0.27 1.95
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.241 r_dihedral_angle_4_deg 13.863 r_dihedral_angle_3_deg 13.862 r_dihedral_angle_1_deg 4.989 r_scangle_it 2.641 r_scbond_it 1.636 r_angle_refined_deg 1.088 r_mcangle_it 1.023 r_angle_other_deg 0.866 r_mcbond_it 0.671
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.241 r_dihedral_angle_4_deg 13.863 r_dihedral_angle_3_deg 13.862 r_dihedral_angle_1_deg 4.989 r_scangle_it 2.641 r_scbond_it 1.636 r_angle_refined_deg 1.088 r_mcangle_it 1.023 r_angle_other_deg 0.866 r_mcbond_it 0.671 r_nbd_refined 0.221 r_symmetry_vdw_other 0.214 r_symmetry_vdw_refined 0.212 r_nbd_other 0.185 r_nbtor_refined 0.184 r_symmetry_hbond_refined 0.132 r_xyhbond_nbd_refined 0.128 r_mcbond_other 0.126 r_nbtor_other 0.085 r_chiral_restr 0.057 r_bond_refined_d 0.009 r_gen_planes_refined 0.004 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2628 Nucleic Acid Atoms Solvent Atoms 174 Heterogen Atoms 37
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection