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The crystal structure of human carbonic anhydrase II in complex with N-(Hydroxy)-benzamide
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 8.6 293 2.4 M ammonium sulfate, 0.3 M sodium chloride, 0.1 M Tris-HCl, pH 8.6, 5 mM 4-(hydroxymercurybenzoate), VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.09 41.21
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.16 α = 90 b = 41.5 β = 104.39 c = 71.99 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 944 2012-02-01 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 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 1.85 20 94.7 0.046 19.7 19721 19721
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 1.85 1.92 78.4 0.067 12.05
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 1.85 20 19721 19614 952 94.2 0.1629 0.1603 0.2032 0.2023 RANDOM 12.6566
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] -0.001 0.15 -1.248 1.248
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.741 c_scbond_it 1.881 c_mcangle_it 1.658 c_angle_d 1.482 c_mcbond_it 1.143 c_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2049 Nucleic Acid Atoms Solvent Atoms 301 Heterogen Atoms 33
Software Software Software Name Purpose CrystalClear data collection CNS refinement HKL-2000 data reduction HKL-2000 data scaling CNS phasing