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X ray structure of the complex between carbonic anhydrase II and LC 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 277 100mM Tris-HCl PH 7.7-7.8, 2mM sodium 4-(hydroxymercury)benzoate, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.09 41.06
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.18 α = 90 b = 41.43 β = 104.47 c = 72.24 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 2008-09-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE 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 1.81 70 99.6 0.055 20.9 4.2 22284 22187 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) 1.81 1.87 100 0.315 3.08 2.6 2225
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 1.81 11.83 21415 1141 99.67 0.18948 0.1868 0.1913 0.24018 0.1991 RANDOM 12.625
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] 0.26 -0.02 -0.05 -0.22
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.02 r_dihedral_angle_4_deg 18.764 r_dihedral_angle_3_deg 17.405 r_dihedral_angle_1_deg 6.338 r_scangle_it 3.343 r_scbond_it 2.261 r_angle_refined_deg 1.595 r_mcangle_it 1.401 r_mcbond_it 0.901 r_nbtor_refined 0.307
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.02 r_dihedral_angle_4_deg 18.764 r_dihedral_angle_3_deg 17.405 r_dihedral_angle_1_deg 6.338 r_scangle_it 3.343 r_scbond_it 2.261 r_angle_refined_deg 1.595 r_mcangle_it 1.401 r_mcbond_it 0.901 r_nbtor_refined 0.307 r_chiral_restr 0.295 r_symmetry_vdw_refined 0.256 r_nbd_refined 0.218 r_xyhbond_nbd_refined 0.182 r_symmetry_hbond_refined 0.126 r_metal_ion_refined 0.038 r_bond_refined_d 0.016 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2053 Nucleic Acid Atoms Solvent Atoms 193 Heterogen Atoms 29
Software Software Software Name Purpose CrysalisPro data collection AMoRE phasing REFMAC refinement CrysalisPro data reduction SCALEPACK data scaling