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Crystal Structure of Soybean Beta-Amylase Mutant (E178Y) with Increased pH Optimum at pH 5.4
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.4 277 ammonium sulfate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.55 51.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 85.928 α = 90 b = 85.928 β = 90 c = 144.899 γ = 120
Symmetry Space Group P 31 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 AREA DETECTOR SIEMENS HI-STAR 2003-02-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE MACSCIENCE 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.87 24.04 95.6 0.066 51934 49640 1 9.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.87 1.94 63.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 1.95 14.91 39375 3997 86.1 0.175 0.175 0.1707 0.213 0.207 RANDOM 22.6
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] 2.86 4.62 2.86 -5.72
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_scangle_it 3.24 c_scbond_it 2.24 c_mcangle_it 1.84 c_angle_deg 1.3 c_mcbond_it 1.27 c_improper_angle_d 0.8 c_bond_d 0.005 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_scangle_it 3.24 c_scbond_it 2.24 c_mcangle_it 1.84 c_angle_deg 1.3 c_mcbond_it 1.27 c_improper_angle_d 0.8 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3950 Nucleic Acid Atoms Solvent Atoms 312 Heterogen Atoms 56
Software Software Software Name Purpose CNS refinement SAINT data reduction SAINT data scaling CNS phasing