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L29I Mutation in an Aryl Esterase from Pseudomonas fluorescens Leads to Unique Peptide Flip and Increased Activity
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1VA4 PDB ENTRY 1VA4
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 1% PEG 400, 1.65M (NH4)2SO4, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 4.39 71.98
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 145.883 α = 90 b = 145.883 β = 90 c = 128.587 γ = 120
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 NOIR-1 mirrors 2008-05-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 4.2.2 0.98 ALS 4.2.2
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 2.02 50 98.7 0.106 5.7 3.01 200730 1 3 17.3
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 2.02 2.09 97.6 0.237 2.9 2.77 19582
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1VA4 2.02 48.23 3 1 198019 9963 98.65 0.1939 0.1924 0.1946 0.2213 0.2227 RANDOM 21.1125
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] 0.1 0.05 0.1 -0.16
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.961 r_dihedral_angle_4_deg 17.824 r_dihedral_angle_3_deg 13.553 r_dihedral_angle_1_deg 5.538 r_scangle_it 3.189 r_scbond_it 2.056 r_angle_refined_deg 1.39 r_mcangle_it 1.234 r_mcbond_it 0.716 r_chiral_restr 0.109
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.961 r_dihedral_angle_4_deg 17.824 r_dihedral_angle_3_deg 13.553 r_dihedral_angle_1_deg 5.538 r_scangle_it 3.189 r_scbond_it 2.056 r_angle_refined_deg 1.39 r_mcangle_it 1.234 r_mcbond_it 0.716 r_chiral_restr 0.109 r_bond_refined_d 0.016 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 12720 Nucleic Acid Atoms Solvent Atoms 1273 Heterogen Atoms 195
Software Software Software Name Purpose d*TREK data scaling SCALEPACK data scaling MOLREP phasing REFMAC refinement PDB_EXTRACT data extraction d*TREK data reduction