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Wide Open 1.3A Structure of a Multi-drug Resistant HIV-1 Protease Represents a Novel Drug Target
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RQ9 PDB entry 1RQ9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 295 sodium chloride, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.5 50.74
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.043 α = 90 b = 45.043 β = 90 c = 105.744 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 CCD ADSC QUANTUM 210 2003-07-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-BM 1.0 APS 17-BM
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 1.3 20 74.7 0.043 30.5 38356
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.3 1.35 0.26
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 FREE R PDB entry 1RQ9 1.3 20 1.5 38356 38356 2071 74.7 0.1423 0.1423 0.1386 0.2107 0.2048 random
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 11 1889.3
RMS Deviations Key Refinement Restraint Deviation s_approx_iso_adps 0.076 s_non_zero_chiral_vol 0.069 s_zero_chiral_vol 0.054 s_similar_adp_cmpnt 0.054 s_from_restr_planes 0.0293 s_angle_d 0.029 s_bond_d 0.011 s_anti_bump_dis_restr 0.011 s_rigid_bond_adp_cmpnt 0.004 s_similar_dist
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1562 Nucleic Acid Atoms Solvent Atoms 380 Heterogen Atoms 2
Software Software Software Name Purpose Quantum data collection HKL-2000 data reduction CCP4 model building SHELXL-97 refinement HKL-2000 data scaling CCP4 phasing