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Crystal Structures of Multidrug-Resistant Clinical Isolate 769 HIV-1 Protease Variants
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TW7 PDB ENTRY 1TW7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 295 0.3-1.0M sodium chloride in the pH range 5.5-7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.45 49.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.534 α = 90 b = 45.534 β = 90 c = 101.926 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 IMAGE PLATE RIGAKU RAXIS HTC HighRes2 mirror system 2004-03-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR-D 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.71 27.23 0.06 5.8 11367
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.71 1.8 100 0.368 2.5 3 1108
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-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1TW7 1.71 27.23 10805 542 92.71 0.19646 0.19508 0.1952 0.22337 0.2162 RANDOM 21.479
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] 0.37 0.37 -0.75
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 41.998 r_dihedral_angle_3_deg 13.159 r_dihedral_angle_4_deg 13.09 r_dihedral_angle_1_deg 6.36 r_scangle_it 3.927 r_scbond_it 2.296 r_mcangle_it 1.455 r_angle_refined_deg 1.378 r_mcbond_it 0.966 r_nbtor_refined 0.307
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 41.998 r_dihedral_angle_3_deg 13.159 r_dihedral_angle_4_deg 13.09 r_dihedral_angle_1_deg 6.36 r_scangle_it 3.927 r_scbond_it 2.296 r_mcangle_it 1.455 r_angle_refined_deg 1.378 r_mcbond_it 0.966 r_nbtor_refined 0.307 r_symmetry_hbond_refined 0.3 r_nbd_refined 0.205 r_symmetry_vdw_refined 0.204 r_xyhbond_nbd_refined 0.144 r_chiral_restr 0.08 r_bond_refined_d 0.013 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 756 Nucleic Acid Atoms Solvent Atoms 114 Heterogen Atoms
Software Software Software Name Purpose CrystalClear data collection MOLREP phasing REFMAC refinement MOSFLM data reduction SCALA data scaling