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The crystal structure of the human carbonic anhydrase II in complex with a nitroimidazole sulfamate inhibitor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CA2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 293 1.3 M SODIUM CITRATE, 100 MM TRIS-HCL
Crystal Properties Matthews coefficient Solvent content 2.09 41.07
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.25 α = 90 b = 41.252 β = 104.26 c = 71.733 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 2016-04-10 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 1.8 25.286 98.8 0.035 27.565 4.8 22183
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 1.8 1.86 92.9 0.091 2.7
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1CA2 1.8 25.286 21949 1074 97.7 0.1571 0.1593 0.1954 0.1991 RANDOM SELECTION 13.2664
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] -0.912 0.291 1.507 -0.594
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 3.219 c_scbond_it 2.152 c_mcangle_it 1.768 c_angle_d 1.653 c_mcbond_it 1.265 c_bond_d 0.012
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2039 Nucleic Acid Atoms Solvent Atoms 237 Heterogen Atoms 17
Software Software Software Name Purpose SCALEPACK data scaling CNS refinement PDB_EXTRACT data extraction HKL-2000 data reduction CrystalClear data collection CNS phasing