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Surface residue engineering of bovine carbonic anhydrase to an extreme halophilic enzyme for potential application in postcombustion CO2 capture
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3ML2 PDB ENTRY 3ML2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 5.5 281 PROTEIN WAS AT 10 MG/ML. THE RESERVOIR CONDITIONS WERE: 40% PEG 600, 100 MM SODIUM CITRATE AT PH 5.5 SET UP AT 8C. CROSS SEEDING FROM OTHER MUTANT CA-II CRYSTALS WAS USED TO OBTAIN THESE CRYSTALS.
Crystal Properties Matthews coefficient Solvent content 2.06 40.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 41.591 α = 90 b = 67.937 β = 103.07 c = 43.134 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 2012-12-20 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 1.23 42 98.6 0.04 28.7 7.3 66095
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 1.23 1.3 95.2 0.32 6.2 7.2
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 3ML2 1.23 35.76 62737 3344 98.64 0.11244 0.11065 0.1206 0.14683 0.1541 RANDOM 11.268
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] -0.11 -0.11 0.13
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.518 r_sphericity_free 32.997 r_dihedral_angle_4_deg 15.981 r_dihedral_angle_3_deg 11.576 r_sphericity_bonded 10.691 r_dihedral_angle_1_deg 6.736 r_rigid_bond_restr 5.722 r_scangle_other 4.737 r_scbond_it 4.708 r_scbond_other 4.705
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.518 r_sphericity_free 32.997 r_dihedral_angle_4_deg 15.981 r_dihedral_angle_3_deg 11.576 r_sphericity_bonded 10.691 r_dihedral_angle_1_deg 6.736 r_rigid_bond_restr 5.722 r_scangle_other 4.737 r_scbond_it 4.708 r_scbond_other 4.705 r_long_range_B_refined 4.602 r_long_range_B_other 4.601 r_angle_refined_deg 2.069 r_mcangle_other 2.066 r_mcangle_it 2.064 r_mcbond_it 1.57 r_mcbond_other 1.568 r_angle_other_deg 0.968 r_chiral_restr 0.14 r_bond_refined_d 0.021 r_gen_planes_refined 0.013 r_gen_planes_other 0.002 r_bond_other_d 0.001 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_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2043 Nucleic Acid Atoms Solvent Atoms 405 Heterogen Atoms 8
Software Software Software Name Purpose REFMAC refinement XDS data reduction SCALA data scaling PHASER phasing