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HIV-1 PROTEASE COMPLEXED WITH A CYCLIC PHE-ILE-VAL PEPTIDOMIMETIC INHIBITOR
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CPI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.5 pH 5.5
Crystal Properties Matthews coefficient Solvent content 2.11 44
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 51.4 α = 90 b = 58.7 β = 90 c = 62 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 289 IMAGE PLATE RIGAKU RAXIS IIC 1995-03-28 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1
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 1.75 50 85.9 0.068 10.5 5.3 16528 1
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 1.75 2 69.2 0.219 2.42 2.5
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION DIFFERENCE FOURIER 1CPI 1.75 8 2 16283 1661 84 0.179 0.179 0.244 18.7
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]
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 26.1 x_angle_deg 1.66 x_improper_angle_d 1.4 x_bond_d 0.01 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 26.1 x_angle_deg 1.66 x_improper_angle_d 1.4 x_bond_d 0.01 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1500 Nucleic Acid Atoms Solvent Atoms 115 Heterogen Atoms 58
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement PROCESS data reduction PROCESS data scaling X-PLOR phasing