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Structural Analysis of the Unbound Form of HIV-1 Subtype C Protease
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5 293 30 mM citric acid, 1 M NaCl, TritonX-100, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.55 51.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.711 α = 90 b = 46.711 β = 90 c = 100.708 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 100 CCD MARMOSAIC 225 mm CCD 2007-02-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM 1.000 APS 22-BM
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.2 30 99.3 0.076 0.076 14 7.9 35611 33850 1 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.2 1.24 95.7 0.273 0.273 4.5 4.7 3349
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 R-free 1.2 23.5 35611 33850 1667 95.1 0.141 0.141 0.1472 0.178 0.1766 random 19.994
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 s_non_zero_chiral_vol 0.076 s_anti_bump_dis_restr 0.04 s_angle_d 0.03 s_from_restr_planes 0.03 s_bond_d 0.014
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 754 Nucleic Acid Atoms Solvent Atoms 166 Heterogen Atoms 12
Software Software Software Name Purpose SHELXL refinement SCALEPACK data scaling CNS refinement SHELX refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling CNS phasing DENZO data reduction