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THE MECHANISM OF CYANAMIDE HYDRATION CATALYZED BY CARBONIC ANHYDRASE II REVEALED BY CRYOGENIC X-RAY DIFFRACTION
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.7 277 ammonium sulphate, 4-(hydroxymercury)benzoate, TRIS HCL , pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.28 45.68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.158 α = 90 b = 41.742 β = 104.42 c = 72.307 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 BRUKER SMART 1000 MIRRORS 2000-01-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE MACSCIENCE M12X
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 1.9 18 95 0.057 8.6 2.1 37672 17716 1.5 1.5 6.6
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) 1.9 2.05 0.099 2 3902
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION 1.9 18 37672 17716 910 0.165 0.166 0.1598 0.218 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 p_transverse_tor 28.5 p_staggered_tor 17.2 p_planar_tor 9.9 p_scangle_it 3 p_mcangle_it 2.24 p_scbond_it 2.04 p_mcbond_it 1.64 p_multtor_nbd 0.23 p_singtor_nbd 0.18 p_xyhbond_nbd 0.15
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 28.5 p_staggered_tor 17.2 p_planar_tor 9.9 p_scangle_it 3 p_mcangle_it 2.24 p_scbond_it 2.04 p_mcbond_it 1.64 p_multtor_nbd 0.23 p_singtor_nbd 0.18 p_xyhbond_nbd 0.15 p_chiral_restr 0.133 p_planar_d 0.069 p_angle_d 0.034 p_bond_d 0.014 p_plane_restr 0.012
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2049 Nucleic Acid Atoms Solvent Atoms 253 Heterogen Atoms 6
Software Software Software Name Purpose REFMAC refinement SAINT data reduction SAINT data scaling