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Crystal structure of N2 substituted pyrazolo pyrimidinones - a flipped binding mode in PDE5
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other FROM PATENT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 30% PEG 2KMME, 0.1M MES PH6.5, 50MM AMMONIUM SULPHATE, pH 6.50
Crystal Properties Matthews coefficient Solvent content 2.2 43.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.836 α = 90 b = 76.656 β = 102.58 c = 81.269 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 100 IMAGE PLATE RIGAKU IMAGE PLATE MIRRORS 2001-01-31 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.6 30 92.9 0.05 3.42 41016 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.6 1.66 64.1 0.11
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-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT FROM PATENT 1.6 50 40971 2052 0.1947 0.2234 RANDOM
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] -0.048 -0.089 0.109 -0.061
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.634 c_bond_d 0.009 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.634 c_bond_d 0.009 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2611 Nucleic Acid Atoms Solvent Atoms 515 Heterogen Atoms 46
Software Software Software Name Purpose CNX refinement DENZO data reduction SCALEPACK data scaling CNX phasing