☰ Navigation Tabs
CALCIUM BINDING IN ALPHA-AMYLASES: AN X-RAY DIFFRACTION STUDY AT 2.1 ANGSTROMS RESOLUTION OF TWO ENZYMES FROM ASPERGILLUS
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 BATCH MODE PEG 8000, PH 3.0-4.0
Crystal Properties Matthews coefficient Solvent content 2.6 52.61
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.1 α = 90 b = 98.3 β = 90 c = 138 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray AREA DETECTOR SIEMENS-XENTRONICS M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX7.2 SRS PX7.2
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 2.1
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2.119 69 30940 1650 97.62 0.1116 0.1313 Random selection 19.33
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] 0.929429118 -0.375499689 -0.55392943
RMS Deviations Key Refinement Restraint Deviation s_dihedral_angle_6_deg 14.9692 s_dihedral_angle_3_deg 10.0648 s_dihedral_angle_1_deg 6.6411 s_dihedral_angle_2_deg 3.3146 s_angle_nonh_deg 1.9318 s_nbtor 0.2284 s_nbd 0.2057 s_symmetry_hbond_nbd 0.1977 s_symmetry_nbd 0.1838 s_hbond_nbd 0.1213
RMS Deviations Key Refinement Restraint Deviation s_dihedral_angle_6_deg 14.9692 s_dihedral_angle_3_deg 10.0648 s_dihedral_angle_1_deg 6.6411 s_dihedral_angle_2_deg 3.3146 s_angle_nonh_deg 1.9318 s_nbtor 0.2284 s_nbd 0.2057 s_symmetry_hbond_nbd 0.1977 s_symmetry_nbd 0.1838 s_hbond_nbd 0.1213 s_chiral_restr 0.0845 s_bond_nonh_d 0.0117 s_planes 0.0097
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3679 Nucleic Acid Atoms Solvent Atoms 284 Heterogen Atoms 157
Software Software Software Name Purpose Servalcat refinement PDB-REDO refinement