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Carbonic anhydrase inhibitors. Comparison of chlorthalidone and indapamide X-ray crystal structures in adducts with isozyme II: when three water molecules make the difference
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CA2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.7 277 Tris.HCl pH 7.7-7.8, sodium 4-(hydroxymercury)benzoate, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.08 41.01
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 41.4 α = 90 b = 42.1 β = 104.3 c = 72.26 γ = 90
Symmetry Space Group P 1 21 1
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 OXFORD SAPPHIRE CCD 2002-02-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE OXFORD DIFFRACTION ENHANCED ULTRA 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 1.9 20 98 0.12 9.6 5.1 19134 2
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) 1.9 2 97.6 0.3 2.03 3.3 1917
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 1CA2 1.9 20 18173 986 99.62 0.20175 0.19904 0.224 0.25203 0.2276 RANDOM 12.172
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] -0.03 0.03 0.16 -0.12
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.701 r_dihedral_angle_4_deg 19.809 r_dihedral_angle_3_deg 16.559 r_dihedral_angle_1_deg 6.482 r_scangle_it 2.285 r_scbond_it 1.45 r_angle_refined_deg 1.4 r_mcangle_it 0.968 r_mcbond_it 0.553 r_nbtor_refined 0.305
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.701 r_dihedral_angle_4_deg 19.809 r_dihedral_angle_3_deg 16.559 r_dihedral_angle_1_deg 6.482 r_scangle_it 2.285 r_scbond_it 1.45 r_angle_refined_deg 1.4 r_mcangle_it 0.968 r_mcbond_it 0.553 r_nbtor_refined 0.305 r_nbd_refined 0.202 r_symmetry_vdw_refined 0.178 r_symmetry_hbond_refined 0.154 r_xyhbond_nbd_refined 0.123 r_chiral_restr 0.111 r_metal_ion_refined 0.05 r_bond_refined_d 0.01 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2065 Nucleic Acid Atoms Solvent Atoms 190 Heterogen Atoms 24
Software Software Software Name Purpose CrysalisPro data collection AMoRE phasing REFMAC refinement CrysalisPro data reduction SCALEPACK data scaling