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Crystal structure of Human Phosphodiesterase 5 complexed with Sildenafil(Viagra)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 277 PEG 8000, Magnesium chloride, Tris buffer, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.83 56.18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 60.122 α = 90 b = 155.632 β = 90 c = 89.896 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 4 2003-04-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PAL/PLS BEAMLINE 6B 1.0000 PAL/PLS 6B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.3 19.88 86.7 16909 16848 27.1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.3 2.38 48.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 FOURIER SYNTHESIS THROUGHOUT 2.3 19.88 16849 16818 823 87.9 0.228 0.193 0.193 0.1928 0.251 0.2513 RANDOM 39.7
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] -3.25 -5.52 8.77
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 19 c_scangle_it 7.51 c_scbond_it 5.82 c_mcangle_it 4.98 c_mcbond_it 3.53 c_angle_deg 1.2 c_improper_angle_d 0.71 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2542 Nucleic Acid Atoms Solvent Atoms 78 Heterogen Atoms 35
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling CNS phasing