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Crystal Structure of Complex of a Hydroxyethylamine Inhibitor with HIV-1 Protease at 2.0A Resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AAQ PDB ENTRY 1AAQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.3 280 0.5 M ammonium phosphate, 0.1 M sodium citrate, pH 4.3, VAPOR DIFFUSION, HANGING DROP, temperature 280K
Crystal Properties Matthews coefficient Solvent content 2.17 43.35
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 62.864 α = 90 b = 62.864 β = 90 c = 82.375 γ = 120
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 MARRESEARCH 1997-04-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ELETTRA BEAMLINE 5.2R 1.000 ELETTRA 5.2R
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 1.98 30 95.3 0.06 0.06 22.6 3.4 12461 12461 -999 20
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 1.98 2.03 85 0.26 0.26 2.8 1.9 524
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R PDB ENTRY 1AAQ 1.98 12 12043 12043 606 99.9 0.2218 0.2218 0.221 0.2031 0.2758 RANDOM 29.7
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 5 1701
RMS Deviations Key Refinement Restraint Deviation s_similar_adp_cmpnt 0.087 s_non_zero_chiral_vol 0.029 s_zero_chiral_vol 0.023 s_from_restr_planes 0.0224 s_angle_d 0.019 s_bond_d 0.004 s_anti_bump_dis_restr 0.004 s_similar_dist 0.003 s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1518 Nucleic Acid Atoms Solvent Atoms 129 Heterogen Atoms 51
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing SHELXL-97 refinement