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Thermostable variant of human carbonic anhydrase II with disordered tetrazine 2.0 at site 233
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CA2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 278 0.2 M SODIUM CHLORIDE, 0.1 M TRIS PH
8.5, 25% PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE
278K
Crystal Properties Matthews coefficient Solvent content 1.98 37.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.419 α = 90 b = 72.46 β = 90 c = 151.508 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS3 6M 2016-02-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 37.88 82 1 6.6 10.2 55819
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.25 1.27 68 0.27 0.8 9.4
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 1CA2 1.25 37.88 1.34 55671 2776 81.9 0.168 0.166 0.1677 0.206 0.2079
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 15.712 f_angle_d 1.008 f_chiral_restr 0.084 f_bond_d 0.008 f_plane_restr 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2129 Nucleic Acid Atoms Solvent Atoms 362 Heterogen Atoms 1
Software Software Software Name Purpose iMOSFLM data reduction Aimless data scaling PHENIX phasing PHENIX refinement