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Thermostable variant of human carbonic anhydrase with disordered tetrazine 2.0 reacted with strained trans-cyclooctene 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 1.97 37.67
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.079 α = 90 b = 72.46 β = 90 c = 152.108 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 1.3 37.66 87.3 1 11.3 10.8 52578
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.3 1.32 81 222 0.35 1.2 11.9
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 1.3 37.66 1.35 52516 2607 87.1 0.155 0.154 0.1554 0.178 0.1784
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 15.249 f_angle_d 1.01 f_chiral_restr 0.085 f_bond_d 0.008 f_plane_restr 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2126 Nucleic Acid Atoms Solvent Atoms 393 Heterogen Atoms 1
Software Software Software Name Purpose PHENIX refinement iMOSFLM data reduction Aimless data scaling PHENIX phasing