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Rational engineering of a mesophilic carbonic anhydrase to an extreme halotolerant biocatalyst
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1V9E PDB ENTRY 1V9E
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.2 150 NL 20 MG/ML PROTEIN PLUS 150 NL RESERVOIR CONSISTING OF 50 MM TRIS PH 8.2, 2.3 M AMMONIUM SULFATE, 0.023 (W/V) N-OCTYL-B-D-GLUCOPYRANOSIDE
Crystal Properties Matthews coefficient Solvent content 2.4 48.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 59.331 α = 90 b = 79.44 β = 106.98 c = 61.521 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 CCD 2011-04-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX1 Australian Synchrotron MX1
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 1.88 19.9 93.8 0.09 19.5 7.4 41643
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 1.88 1.98 68.3 0.38 4.4 5.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1V9E 1.9 58.84 38944 2064 95.15 0.15532 0.15308 0.1646 0.19689 0.2021 RANDOM 17.358
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] 0.79 -0.95 -0.94 0.61
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.131 r_dihedral_angle_4_deg 21.126 r_dihedral_angle_3_deg 13.671 r_dihedral_angle_1_deg 6.217 r_mcangle_it 1.901 r_scbond_it 1.867 r_angle_refined_deg 1.766 r_angle_other_deg 1.659 r_mcbond_it 1.211 r_mcbond_other 1.209
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.131 r_dihedral_angle_4_deg 21.126 r_dihedral_angle_3_deg 13.671 r_dihedral_angle_1_deg 6.217 r_mcangle_it 1.901 r_scbond_it 1.867 r_angle_refined_deg 1.766 r_angle_other_deg 1.659 r_mcbond_it 1.211 r_mcbond_other 1.209 r_chiral_restr 0.122 r_bond_refined_d 0.016 r_gen_planes_refined 0.011 r_bond_other_d 0.009 r_gen_planes_other 0.008 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcangle_other r_scbond_other r_scangle_it r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4096 Nucleic Acid Atoms Solvent Atoms 386 Heterogen Atoms 72
Software Software Software Name Purpose REFMAC refinement XDS data reduction SCALA data scaling PHASER phasing