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Crystal structure of the Carbonic Anhydrase II complexed with hydroxysulfamide inhibitor
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 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 40.92
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.1 α = 90 b = 41.39 β = 104.38 c = 72.3 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 2006-10-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE OXFORD DIFFRACTION ENHANCE ULTRA
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 2.1 20 98.7 0.169 7.6 4.5 14225 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) 2.1 2.17 97.6 0.429 1.5 2.7 1427
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 2.1 20 13513 683 99.28 0.21048 0.2076 0.2113 0.26632 0.2048 RANDOM 15.667
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] -0.12 0.37 -0.43
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.44 r_dihedral_angle_4_deg 19.425 r_dihedral_angle_3_deg 18.516 r_dihedral_angle_1_deg 6.605 r_scangle_it 2.562 r_scbond_it 1.749 r_angle_refined_deg 1.484 r_mcangle_it 1.067 r_mcbond_it 0.602 r_nbtor_refined 0.309
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.44 r_dihedral_angle_4_deg 19.425 r_dihedral_angle_3_deg 18.516 r_dihedral_angle_1_deg 6.605 r_scangle_it 2.562 r_scbond_it 1.749 r_angle_refined_deg 1.484 r_mcangle_it 1.067 r_mcbond_it 0.602 r_nbtor_refined 0.309 r_symmetry_vdw_refined 0.238 r_nbd_refined 0.205 r_xyhbond_nbd_refined 0.152 r_metal_ion_refined 0.142 r_symmetry_hbond_refined 0.13 r_chiral_restr 0.099 r_bond_refined_d 0.012 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2046 Nucleic Acid Atoms Solvent Atoms 162 Heterogen Atoms 8
Software Software Software Name Purpose REFMAC refinement CrysalisPro data collection CrysalisPro data reduction CCP4 data scaling CNS phasing