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NVGSNTY segment from Islet Amyloid Polypeptide (IAPP or Amylin), dehydrated crystal form
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3FTK PDB entry 3FTK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 298 0.1M HEPES pH 7.5, 25% PEG 3350, vapor diffusion, hanging drop, temperature 298K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 26.653 α = 90 b = 4.824 β = 101.02 c = 29.048 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 2007-11-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-E 0.9792 APS 24-ID-E
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 1.6 90 95.7 0.155 3.1 1103 1103 -3 12
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) 1.6 1.72 94 0.49 2.7 3.1 187
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 3FTK 1.6 28.51 1103 119 95.58 0.127 0.124 0.1388 0.158 0.1705 RANDOM 2.75
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 r_dihedral_angle_2_deg 45.002 r_dihedral_angle_1_deg 9.079 r_dihedral_angle_3_deg 7.568 r_angle_other_deg 2.42 r_angle_refined_deg 1.66 r_mcangle_it 0.885 r_scangle_it 0.721 r_mcbond_it 0.68 r_scbond_it 0.646 r_chiral_restr 0.1
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 45.002 r_dihedral_angle_1_deg 9.079 r_dihedral_angle_3_deg 7.568 r_angle_other_deg 2.42 r_angle_refined_deg 1.66 r_mcangle_it 0.885 r_scangle_it 0.721 r_mcbond_it 0.68 r_scbond_it 0.646 r_chiral_restr 0.1 r_mcbond_other 0.033 r_bond_refined_d 0.009 r_gen_planes_refined 0.006 r_bond_other_d 0.002 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 106 Nucleic Acid Atoms Solvent Atoms 3 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction ADSC data collection