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Crystal Structure Analysis of Y164E/maltose of Bacilus cereus Beta-amylase at pH 4.6
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1B9Z
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 291 PEG 6000, ammonium sulfate, potassium phosphate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 3 58.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.489 α = 90 b = 92.899 β = 102.36 c = 65.962 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 298 AREA DETECTOR SIEMENS HI-STAR 2004-01-29 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) 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 1.9 30.5 87.2 48233 48233 1 7.7
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 34.6 2257
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 1B9Z 2.02 14.93 37221 3750 83.9 0.193 0.193 0.2003 0.229 0.2333 RANDOM 24.6
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] -5.8 -3.65 7.92 -2.13
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.6 c_scangle_it 3.25 c_scbond_it 2.27 c_mcangle_it 1.98 c_angle_deg 1.3 c_mcbond_it 1.28 c_improper_angle_d 0.82 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.6 c_scangle_it 3.25 c_scbond_it 2.27 c_mcangle_it 1.98 c_angle_deg 1.3 c_mcbond_it 1.28 c_improper_angle_d 0.82 c_bond_d 0.006 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 4161 Nucleic Acid Atoms Solvent Atoms 262 Heterogen Atoms 24
Software Software Software Name Purpose CNS refinement SAINT data reduction SAINT data scaling CNS phasing