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Structural and functional characterisation of three novel fungal amylases with enhanced stability and pH tolerance
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2TAA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 292 0.2 M NaCl, 0.1 M Na-acetate pH 4.6, 30 %MPD
Crystal Properties Matthews coefficient Solvent content 2.13 42.39
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 51.217 α = 77.03 b = 62.6 β = 81.04 c = 66.807 γ = 89.62
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 MARRESEARCH 2007-03-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID29 1.0004 ESRF ID29
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 1.4 43.21 92.9 0.033 0.044 0.03 0.998 9.6 2.2 146177
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.4 1.42 61.9 0.249 0.337 0.225 0.891 2.1
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 2taa 1.4 39.99 138848 7328 92.87 0.1377 0.1363 0.1368 0.1644 0.1647 RANDOM 12.475
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] -0.41 0.28 -0.2 -0.14 -0.07 0.4
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.493 r_dihedral_angle_4_deg 20.076 r_dihedral_angle_3_deg 12.675 r_dihedral_angle_1_deg 6.761 r_angle_refined_deg 2.013 r_angle_other_deg 1.658 r_chiral_restr 0.106 r_bond_refined_d 0.015 r_gen_planes_refined 0.013 r_gen_planes_other 0.002
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.493 r_dihedral_angle_4_deg 20.076 r_dihedral_angle_3_deg 12.675 r_dihedral_angle_1_deg 6.761 r_angle_refined_deg 2.013 r_angle_other_deg 1.658 r_chiral_restr 0.106 r_bond_refined_d 0.015 r_gen_planes_refined 0.013 r_gen_planes_other 0.002 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6803 Nucleic Acid Atoms Solvent Atoms 943 Heterogen Atoms 109
Software Software Software Name Purpose REFMAC refinement XDS data reduction Aimless data scaling PDB_EXTRACT data extraction MOLREP phasing