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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 6 PROTEIN WAS AT 10 MG/ML; THE RESERVOIR SOLUTION WAS 5% PEG 1000, 30% PEG 600, 10% GLYCEROL, 100 MM SODIUM MES BUFFER AT PH 6. SEEDS OF THE MUT1 FORM WERE USED TO OBTAIN THESE CRYSTALS.
Crystal Properties Matthews coefficient Solvent content 2.14 42.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 41.757 α = 90 b = 69.276 β = 107.76 c = 44.578 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 1.62 42.5 99.9 0.11 16.3 7.4 30981
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 1.62 1.7 99.5 0.64 3.2 7.3
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 1.62 34.66 29409 1552 99.87 0.1449 0.143 0.1575 0.18219 0.1945 RANDOM 11.615
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] -0.04 0.37 -0.35 0.23
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.96 r_dihedral_angle_4_deg 17.651 r_dihedral_angle_3_deg 12.015 r_dihedral_angle_1_deg 6.89 r_scbond_it 3.138 r_mcangle_it 2.177 r_angle_refined_deg 2.104 r_mcbond_it 1.465 r_mcbond_other 1.464 r_angle_other_deg 0.953
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.96 r_dihedral_angle_4_deg 17.651 r_dihedral_angle_3_deg 12.015 r_dihedral_angle_1_deg 6.89 r_scbond_it 3.138 r_mcangle_it 2.177 r_angle_refined_deg 2.104 r_mcbond_it 1.465 r_mcbond_other 1.464 r_angle_other_deg 0.953 r_chiral_restr 0.137 r_bond_refined_d 0.023 r_gen_planes_refined 0.013 r_bond_other_d 0.002 r_gen_planes_other 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_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 2036 Nucleic Acid Atoms Solvent Atoms 249 Heterogen Atoms 13
Software Software Software Name Purpose REFMAC refinement XDS data reduction SCALA data scaling PHASER phasing