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Structure of enantioselective mutant of epoxide hydrolase from Aspergillus niger generated by directed evolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QO7 PDB ENTRY 1QO7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 293 20% PEG 6000, 0.1M MES, pH 6.0, 0.1M unbuffered sodium acetate, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.19 43.94
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.866 α = 90 b = 89.675 β = 104.79 c = 75.344 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 QUANTUM 4 2007-08-31 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 0.93300 ESRF ID14-2
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 1.5 30.54 95.5 0.027 15.8 1.7 209428 120696
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) 1.5 1.58 98.2 0.128 7.2 1.7 18142
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 1QO7 1.5 28.91 126958 120661 6102 95.04 0.184 0.184 0.183 0.1828 0.204 0.2027 RANDOM 15.23
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] -0.36 -0.64 0.95 -0.92
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.027 r_dihedral_angle_4_deg 13.791 r_dihedral_angle_3_deg 12.041 r_dihedral_angle_1_deg 5.416 r_scangle_it 1.75 r_scbond_it 1.143 r_angle_refined_deg 1.007 r_mcangle_it 0.759 r_mcbond_it 0.448 r_nbtor_refined 0.308
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.027 r_dihedral_angle_4_deg 13.791 r_dihedral_angle_3_deg 12.041 r_dihedral_angle_1_deg 5.416 r_scangle_it 1.75 r_scbond_it 1.143 r_angle_refined_deg 1.007 r_mcangle_it 0.759 r_mcbond_it 0.448 r_nbtor_refined 0.308 r_nbd_refined 0.186 r_symmetry_vdw_refined 0.131 r_xyhbond_nbd_refined 0.102 r_symmetry_hbond_refined 0.08 r_chiral_restr 0.069 r_bond_refined_d 0.006 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6354 Nucleic Acid Atoms Solvent Atoms 715 Heterogen Atoms
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection