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Structure of HIV-1 Protease in Complex with Potent Inhibitor KNI-272 Determined by Neutron Crystallography
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 macroseeding procedure, a two-liquid batch method 5 293 50mM citrate, 50mM Na-phosphate buffer, 0.061M ammonium sulfate, macroseeding procedure, a two-liquid batch method, temperature 293K, pH 5.0
Crystal Properties Matthews coefficient Solvent content 2.83 56.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 59.5 α = 90 b = 87.4 β = 90 c = 46.8 γ = 90
Symmetry Space Group P 21 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 neutron 298 IMAGE PLATE neutron imaging plate 2008-12-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 NUCLEAR REACTOR JRR-3M BEAMLINE 1G-A 2.6 JRR-3M 1G-A
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 1.9 49.2 83.6 0.073 7.3 16632
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 1.9 1.97 67.5 0.367 1.7
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B NEUTRON DIFFRACTION 1.9 49.184 15381 754 77.36 0.194 0.1925 0.222
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] 10.2175 5.9887 10.1392
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 23.23 f_angle_d 2.51 f_chiral_restr 0.156 f_plane_restr 0.025 f_bond_d 0.021
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1512 Nucleic Acid Atoms Solvent Atoms 143 Heterogen Atoms 46
Software Software Software Name Purpose PHENIX refinement DENZO data reduction SCALEPACK data scaling