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Functional Characterization and Crystal Structure of Thermostable Amylase from Thermotoga petrophila, reveals High Thermostability and an Archaic form of Dimerization
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 291.15 0.1 M Tris, 1.2 M Na/K tartrate
Crystal Properties Matthews coefficient Solvent content 4.07 69.78
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 153.237 α = 90 b = 153.237 β = 90 c = 143.056 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 120 CCD ADSC QUANTUM 315 2013-08-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-E 0.97918 APS 24-ID-E
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 1.96 50.16 95.6 16.8 5.3 136221
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 1.96 2 99 2.4 5.2
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) Mean Isotropic B X-RAY DIFFRACTION FREE R-VALUE 1.96 50.159 130271 1929 95.58 0.1525 0.152 0.1547 0.184 0.1854
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.453 f_angle_d 0.997 f_chiral_restr 0.045 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8448 Nucleic Acid Atoms Solvent Atoms 1035 Heterogen Atoms 84
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHASER phasing