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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 6.3 295 sodium chloride, MES, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.14 42.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.076 α = 90 b = 45.076 β = 90 c = 105.518 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 MARRESEARCH 2002-06-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 5ID-B 1.0 APS 5ID-B
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 1.86 35 99.3 0.042 17571
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 AB INITIO PHASING THROUGHOUT 1.86 20 17571 851 0.217 0.217 0.217 0.296 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 8 1749.96
RMS Deviations Key Refinement Restraint Deviation s_similar_adp_cmpnt 0.08 s_non_zero_chiral_vol 0.039 s_zero_chiral_vol 0.031 s_from_restr_planes 0.0237 s_angle_d 0.022 s_bond_d 0.006 s_anti_bump_dis_restr 0.005 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1552 Nucleic Acid Atoms Solvent Atoms 235 Heterogen Atoms 12
Software Software Software Name Purpose SHELX model building SHELXL-97 refinement MAR345 data collection XDS data scaling CNS phasing