5MGQ

Solution structure of oxidized and amidated human IAPP (1-37), the diabetes II peptide.

SOLUTION NMR

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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