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Crystal structures of a Multidrug-Resistant HIV-1 Protease Reveal an Expanded Active Site Cavity
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.7 295 MES, sodium chloride, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.44 49.61
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.975 α = 90 b = 44.975 β = 90 c = 103.676 γ = 90
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 RAXIS IV Osmic Mirrors 2003-05-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5148
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 2.7 20 99.6 5316 5316
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2.7 20 2 5316 5288 253 97.35 0.271 0.271 0.271 0.35 RANDOM 38.813
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] 0.97 0.97 -1.94
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 10.543 r_scangle_it 7.959 r_scbond_it 5.883 r_angle_refined_deg 4.885 r_mcangle_it 4.157 r_mcbond_it 2.649 r_angle_other_deg 1.989 r_symmetry_hbond_refined 0.542 r_symmetry_vdw_other 0.392 r_symmetry_vdw_refined 0.351
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 10.543 r_scangle_it 7.959 r_scbond_it 5.883 r_angle_refined_deg 4.885 r_mcangle_it 4.157 r_mcbond_it 2.649 r_angle_other_deg 1.989 r_symmetry_hbond_refined 0.542 r_symmetry_vdw_other 0.392 r_symmetry_vdw_refined 0.351 r_nbd_refined 0.328 r_chiral_restr 0.327 r_nbd_other 0.319 r_xyhbond_nbd_refined 0.297 r_nbtor_other 0.153 r_bond_refined_d 0.087 r_gen_planes_refined 0.025 r_gen_planes_other 0.016 r_bond_other_d 0.003 r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_nbtor_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_hbond_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1510 Nucleic Acid Atoms Solvent Atoms 36 Heterogen Atoms 46
Software Software Software Name Purpose REFMAC refinement CrystalClear data reduction d*TREK data scaling