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Solution structure of oxidized and amidated human IAPP (1-37), the diabetes II peptide.
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 150 uM [U-99% 13C; U-99% 15N] Islet Amyloid Polypeptide (IAPP or Amylin) 90% H2O/10% D2O 0 5.3 1 atm 278 Bruker AVANCE 500 2 2D 1H-13C HSQC 150 uM [U-99% 13C; U-99% 15N] Islet Amyloid Polypeptide (IAPP or Amylin) 90% H2O/10% D2O 0 5.3 1 atm 278 Bruker AVANCE 500 3 3D HNCACB 150 uM [U-99% 13C; U-99% 15N] Islet Amyloid Polypeptide (IAPP or Amylin) 90% H2O/10% D2O 0 5.3 1 atm 278 Bruker AVANCE 500 4 3D CBCA(CO)NH 150 uM [U-99% 13C; U-99% 15N] Islet Amyloid Polypeptide (IAPP or Amylin) 90% H2O/10% D2O 0 5.3 1 atm 278 Bruker AVANCE 500 5 3D HCCH-TOCSY 150 uM [U-99% 13C; U-99% 15N] Islet Amyloid Polypeptide (IAPP or Amylin) 90% H2O/10% D2O 0 5.3 1 atm 278 Bruker AVANCE 600 6 3D 1H-15N NOESY 150 uM [U-99% 13C; U-99% 15N] Islet Amyloid Polypeptide (IAPP or Amylin) 90% H2O/10% D2O 0 5.3 1 atm 278 Bruker AVANCE 750
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 500 2 Bruker AVANCE 600 3 Bruker AVANCE 750
NMR Refinement Method Details Software molecular dynamics CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 refinement CNS Brunger A. T. et.al. 6 chemical shift assignment Sparky Goddard 5 processing TopSpin Bruker Biospin 2 structure calculation CYANA Guntert, Mumenthaler and Wuthrich 4 peak picking Sparky Goddard