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Human Carbonic Anhydrase II complexed with two-prong inhibitors
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2CBA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.7 277 2.5 M (NH4)2SO4, Tris-SO4, methylmercuric acetate, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.08 40.95
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.362 α = 90 b = 41.482 β = 104.34 c = 72.234 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 4 mirrors 2005-04-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE F1 0.9124 CHESS F1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.15 50 88.8 0.062 0.062 14.6 2.6 77219 77219 11.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.15 1.19 87.1 0.581 0.581 1.85 2.1 7508
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-Factor (All) R-Factor (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 FREE R 2CBA 1.15 50 75642 75642 1567 86.9 0.1427 0.1427 0.1427 0.1482 0.1874 0.1814 RANDOM
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 12 2010.25 2364.78
RMS Deviations Key Refinement Restraint Deviation s_approx_iso_adps 0.093 s_non_zero_chiral_vol 0.082 s_zero_chiral_vol 0.071 s_similar_adp_cmpnt 0.056 s_anti_bump_dis_restr 0.044 s_from_restr_planes 0.0309 s_angle_d 0.03 s_bond_d 0.012 s_rigid_bond_adp_cmpnt 0.004 s_similar_dist
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2116 Nucleic Acid Atoms Solvent Atoms 272 Heterogen Atoms 52
Software Software Software Name Purpose SHELX model building SHELXL-97 refinement HKL-2000 data reduction SCALEPACK data scaling CNS phasing