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Islet Amyloid Polypeptide (IAPP or Amylin) fused to Maltose Binding Protein
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1MPD PDB entry 1MPD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 298 2.0 M Ammonium Sulfate, 0.1M Sodium Acetate pH 4.6, vapor diffusion, hanging drop, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.93 58.07
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 104.025 α = 90 b = 96.407 β = 90.53 c = 103.996 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 100 CCD ADSC QUANTUM 315 2007-04-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.2 1.0000 ALS 8.2.2
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 1.85 90 98.4 0.054 27.432 5.5 169517 169517 -3 35.6
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) 1 1.85 1.92 96.9 0.46 5.2 16592
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 PDB entry 1MPD 1.86 73.92 169484 8507 97.9 0.178 0.176 0.1846 0.205 0.2101 RANDOM 20.269
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] 0.02 0.03 -0.03 0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.226 r_dihedral_angle_3_deg 11.41 r_dihedral_angle_4_deg 8.815 r_dihedral_angle_1_deg 4.332 r_scangle_it 3.713 r_mcangle_it 2.912 r_scbond_it 2.465 r_mcbond_it 1.938 r_angle_refined_deg 1.313 r_angle_other_deg 1.125
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.226 r_dihedral_angle_3_deg 11.41 r_dihedral_angle_4_deg 8.815 r_dihedral_angle_1_deg 4.332 r_scangle_it 3.713 r_mcangle_it 2.912 r_scbond_it 2.465 r_mcbond_it 1.938 r_angle_refined_deg 1.313 r_angle_other_deg 1.125 r_mcbond_other 0.621 r_chiral_restr 0.099 r_bond_refined_d 0.012 r_gen_planes_refined 0.005 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 12244 Nucleic Acid Atoms Solvent Atoms 862 Heterogen Atoms 197
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction BOS data collection