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Carbonic Anhydrase II mutant W5C-H64C with opened disulfide bond
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other in house CAII wild type structure
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.8 291 2.75 M ammonium sulfate
50 mM Tris, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.16 40.08
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.2 α = 90 b = 41.4 β = 104.3 c = 72 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 110 IMAGE PLATE MAR scanner 345 mm plate mirrors 2009-02-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE OTHER 1.5418
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 1.69 25 98 0.039 22.1 2.4 26920 26920
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 1.69 1.72 85 0.132 5.6 2 1150
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 in house CAII wild type structure 1.69 10 4 26305 25031 1274 96.2 0.1609 0.16 0.156 0.1707 0.209 0.1776 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 6 1971 2213
RMS Deviations Key Refinement Restraint Deviation s_approx_iso_adps 0.073 s_similar_adp_cmpnt 0.064 s_non_zero_chiral_vol 0.045 s_zero_chiral_vol 0.044 s_from_restr_planes 0.0284 s_angle_d 0.024 s_anti_bump_dis_restr 0.013 s_bond_d 0.007 s_similar_dist s_rigid_bond_adp_cmpnt
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2014 Nucleic Acid Atoms Solvent Atoms 198 Heterogen Atoms 1
Software Software Software Name Purpose SHELXL-97 refinement CNS refinement MAR345 data collection HKL-2000 data reduction HKL-2000 data scaling CNS phasing