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Crystal structure of the human carbonic anhydrase II in complex with N-hydroxy benzenesulfonamide
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 8.5 293 2.6 M ammonium sulfate, 0.3 M sodium chloride, 0.1 M Tris-HCl, pH 8.5, 5 mM 4-hydroxymercurybenzoate, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.1 41.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.26 α = 90 b = 41.54 β = 104.43 c = 72.09 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 RIGAKU SATURN 2011-02-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.75 20 98.2 0.063 21.38 4.5 24290 24290
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) 1 1.75 1.81 91.2 0.097 10.92 2238
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS PDB ENTRY 1CA2 1.75 20 24290 24075 1162 97.5 0.171 0.1687 0.1827 0.179 RANDOM 15.4145
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] -0.237 1.139 -3.444 3.681
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.782 c_scbond_it 1.84 c_mcangle_it 1.621 c_mcbond_it 1.094
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2040 Nucleic Acid Atoms Solvent Atoms 265 Heterogen Atoms 61
Software Software Software Name Purpose CrystalClear data collection CNS refinement HKL-2000 data reduction HKL-2000 data scaling CNS phasing