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Structure of 6B, a thermostable mutant of Bacillus subtilis lipase obtained through directed evolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1I6W 1I6W(chain A)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 298 0.2M sodium malonate(pH 7.0), 20%(w/v) PEG3350, 25%(w/v) PEG 1500, vapor diffusion, sitting drop, temperature 298K
Crystal Properties Matthews coefficient Solvent content 1.81 32.09
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.481 α = 90 b = 55.206 β = 90 c = 137.064 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE MAR scanner 345 mm plate osmic mirrors 2009-05-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE 1.5418
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 1.89 25 98.8 0.043 24.2 3.8 23336
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 1.89 1.96 89.1 0.099 3.6 2068
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1I6W(chain A) 1.89 25 23029 1206 99.1 0.1942 0.1967 0.2446 0.203 15.426
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] -1.379 -1.438 2.816
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.863 c_scbond_it 2.034 c_mcangle_it 1.681 c_mcbond_it 1.156
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2732 Nucleic Acid Atoms Solvent Atoms 252 Heterogen Atoms
Software Software Software Name Purpose SCALEPACK data scaling MOLREP phasing CNS refinement PDB_EXTRACT data extraction