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Crystal structure of human carbonic anhydrase II in complex with a heteroaryl-pyrazole carboxylic acid derivative.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3KS3
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.8 298 1.6 M sodium citrate, 50mM Tris HCl
Crystal Properties Matthews coefficient Solvent content 2.13 42.26
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.359 α = 90 b = 41.507 β = 104.25 c = 72.333 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 ADSC QUANTUM 270 2015-04-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE F1 0.98 CHESS F1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.196 19.9 91.1 29.5 2.6 67580 8.57
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 3KS3 1.196 19.9 1.34 67580 1983 87.74 0.1394 0.1389 0.1394 0.156 0.1548 16.0164
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.677 f_angle_d 1.141 f_chiral_restr 0.086 f_plane_restr 0.012 f_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2049 Nucleic Acid Atoms Solvent Atoms 341 Heterogen Atoms 73
Software Software Software Name Purpose HKL-2000 data scaling PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data reduction PHENIX phasing