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STRUCTURE OF HUMAN PANCREATIC ALPHA-AMYLASE IN COMPLEX WITH THE CARBOHYDRATE INHIBITOR ACARBOSE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1HNY PDB ENTRY 1HNY
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8 60% 2-METHYLPENTAN-2,4 DIOL, pH 8.0
Crystal Properties Matthews coefficient Solvent content 2.5 60
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 53.11 α = 90 b = 75.1 β = 90 c = 137.13 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 1998-07-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 3.2 25 91.8 0.158 9.2 4.4 10103 30
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 3.2 3.27 63.4 0.286 5.7 9
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1HNY 3.2 11 1 8957 826 96.5 0.191 0.191 0.217 RANDOM 9.5
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 x_scbond_it 3 x_scangle_it 2.9 x_mcangle_it 2.2 x_mcbond_it 2.1 x_angle_deg 1.9 x_bond_d 0.015 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na
RMS Deviations Key Refinement Restraint Deviation x_scbond_it 3 x_scangle_it 2.9 x_mcangle_it 2.2 x_mcbond_it 2.1 x_angle_deg 1.9 x_bond_d 0.015 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3938 Nucleic Acid Atoms Solvent Atoms 105 Heterogen Atoms 64
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing X-PLOR refinement