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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 PDB Entry 2CBA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.7 277 2.5 M (NH4)2SO4, 50 mM Tris-SO4 pH 7.7, 50 mM Tris-SO4 pH 8.0, 1mM methylmercuric acetate, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.07 40.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.346 α = 90 b = 41.359 β = 104.34 c = 72.17 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 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 1.25 50 95 0.087 12.5 2.5 64009 64009 10.8
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 1.25 1.29 87.9 0.83 2.1 2.2 5879
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 THROUGHOUT PDB Entry 2CBA 1.25 50 63791 63791 1362 95 0.1641 0.1641 0.1652 0.1464 0.2128 0.1862 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]
RMS Deviations Key Refinement Restraint Deviation s_non_zero_chiral_vol 0.074 s_zero_chiral_vol 0.064 s_from_restr_planes 0.0314 s_angle_d 0.028 s_bond_d 0.012
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2050 Nucleic Acid Atoms Solvent Atoms 239 Heterogen Atoms 37
Software Software Software Name Purpose SHELXL-97 refinement SCALEPACK data scaling CNS refinement HKL-2000 data collection HKL-2000 data reduction CNS phasing