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The crystal structure of the human carbonic anhydrase II in complex with N-[2-(2-methyl-5-nitro-1H-imidazol-1-yl)ethyl]sulfamide
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 8 293 1.4 M sodium citrate, 100 mM Tris-HCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.1 41.29
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.17 α = 90 b = 41.22 β = 104.22 c = 71.95 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 mirrors 2013-07-31 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.54178
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 1.85 20 97.2 0.047 25.7 4.7 20161 20161
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 1.85 1.92 82.2 0.132 6.6 2.4 1682
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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 THROUGHOUT PDB ENTRY 1CA2 1.85 20 20161 19854 957 95.9 0.1631 0.1626 0.1961 0.1967 RANDOM 14.1195
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] -0.961 -0.634 2.356 -1.395
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 3.077 c_scbond_it 2.104 c_mcangle_it 1.788 c_angle_deg 1.629 c_mcbond_it 1.276 c_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2049 Nucleic Acid Atoms Solvent Atoms 199 Heterogen Atoms 17
Software Software Software Name Purpose CrystalClear data collection CNS refinement HKL-2000 data reduction HKL-2000 data scaling CNS phasing