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Coumarins are a novel class of suicide carbonic anhydrase inhibitors
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CA2 PDB ENTRY 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 2.09 41.23
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.17 α = 90 b = 41.6 β = 104.62 c = 72.23 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 2008-06-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE OXFORD DIFFRACTION ENHANCE 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 2 20 0.095 12.96 4.7 16699 16598 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2 2.07 0.345 3.1 3.5 1667
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 PDB ENTRY 1CA2 2 20 15715 816 99.56 0.20222 0.19874 0.2174 0.26846 0.2212 RANDOM 13.798
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] 0.17 0.06 0.09 -0.22
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.268 r_dihedral_angle_3_deg 17.43 r_dihedral_angle_4_deg 15.721 r_dihedral_angle_1_deg 6.44 r_scangle_it 2.296 r_scbond_it 1.489 r_angle_refined_deg 1.365 r_mcangle_it 0.948 r_mcbond_it 0.564 r_nbtor_refined 0.305
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.268 r_dihedral_angle_3_deg 17.43 r_dihedral_angle_4_deg 15.721 r_dihedral_angle_1_deg 6.44 r_scangle_it 2.296 r_scbond_it 1.489 r_angle_refined_deg 1.365 r_mcangle_it 0.948 r_mcbond_it 0.564 r_nbtor_refined 0.305 r_symmetry_vdw_refined 0.207 r_nbd_refined 0.202 r_symmetry_hbond_refined 0.19 r_xyhbond_nbd_refined 0.161 r_chiral_restr 0.09 r_metal_ion_refined 0.069 r_bond_refined_d 0.011 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2039 Nucleic Acid Atoms Solvent Atoms 190 Heterogen Atoms 32
Software Software Software Name Purpose CrysalisPro data collection AMoRE phasing REFMAC refinement CrysalisPro data reduction SCALEPACK data scaling