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Crystal structure of the complex between Carbonic Anhydrase II and anions
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 7.8 277 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 40.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.07 α = 90 b = 41.41 β = 104.45 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 2009-02-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE OXFORD DIFFRACTION ENHANCE ULTRA 1.54
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 10.35 95.2 0.17 13.7 2.7 39228 37400 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 2.02 90.6 0.38 2.5 1.9 7480
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 1.9 10.35 18159 937 100 0.197 0.19428 0.1962 0.248 0.199 RANDOM 13.795
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] 0.01 0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.992 r_dihedral_angle_4_deg 19.065 r_dihedral_angle_3_deg 16.423 r_dihedral_angle_1_deg 6.014 r_scangle_it 2.171 r_scbond_it 1.39 r_angle_refined_deg 1.241 r_mcangle_it 0.907 r_mcbond_it 0.539 r_nbtor_refined 0.304
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.992 r_dihedral_angle_4_deg 19.065 r_dihedral_angle_3_deg 16.423 r_dihedral_angle_1_deg 6.014 r_scangle_it 2.171 r_scbond_it 1.39 r_angle_refined_deg 1.241 r_mcangle_it 0.907 r_mcbond_it 0.539 r_nbtor_refined 0.304 r_symmetry_vdw_refined 0.225 r_nbd_refined 0.206 r_symmetry_hbond_refined 0.154 r_xyhbond_nbd_refined 0.138 r_chiral_restr 0.086 r_metal_ion_refined 0.061 r_bond_refined_d 0.009 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2087 Nucleic Acid Atoms Solvent Atoms 206 Heterogen Atoms 6
Software Software Software Name Purpose CrysalisPro data collection AMoRE phasing REFMAC refinement CrysalisPro data reduction CrysalisPro data scaling