6OC9

S8 phosphorylated beta amyloid 40 fibrils

SOLID-STATE NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D spin diffusion	50 uM 13C, 15N-uniformly labeled E3, G9, V18, F20, D23, S26, K28 beta amyloid peptide, 50 uM 13C, 15N-uniformly labeled A2, F4, D7, Y10, V24, G25 beta amyloid peptide, 50 uM 13C, 15N-uniformly labeled Q15, F19, A21, I31, L34, V36, G37 beta amyloid peptide, 50 uM 13C, 15N-uniformly labeled V12, E22, G29, A30, M35 beta amyloid peptide, 50 uM 13C, 15N-uniformly labeled E11, L17, N27, I32, G33, G38, V39 beta amyloid peptide, 50 uM 13C, 15N-uniformly labeled F19, L34 beta amyloid peptide, 50 uM 13C, 15N-uniformly labeled E3, F4, V24, G25, S26 beta amyloid peptide, 50 uM 13C, 15N-uniformly labeled V12, F20, E22 beta amyloid peptide, 50 uM 13C, 15N-uniformly labeled I31, G33, V39 beta amyloid peptide	water	10 mM	7.4	1 atm	280	Bruker AVANCE III 600
2	1D PITHIRDs-CT	50 uM 13C selective labeled A2-CH3, V12-CO beta amyloid peptide, 50 uM 13C selective labeled V18-CO, A21-CH3 beta amyloid peptide, 50 uM 13C selective labeled V24-CO, A30-CH3 beta amyloid peptide, 50 uM 13C selective labeled G33-CO, V39-Ca beta amyloid peptide, 50 uM 13C selective labeled V36-Ca, G38-CO beta amyloid peptide, 50 uM 13C selective labeled G9-CO beta amyloid peptide	water	10 mM	7.4	1 atm	280	Bruker AVANCE III 600
3	1D 13C-31P REDOR	50 uM 13C selective labeled A2-CH3, V12-CO beta amyloid peptide, 50 uM 13C selective labeled V18-CO, A21-CH3 beta amyloid peptide, 50 uM 13C selective labeled V24-CO, A30-CH3 beta amyloid peptide, 50 uM 13C selective labeled G33-CO, V39-Ca beta amyloid peptide, 50 uM 13C selective labeled V36-Ca, G38-CO beta amyloid peptide, 50 uM 13C selective labeled G9-CO beta amyloid peptide	water	10 mM	7.4	1 atm	280	Bruker AVANCE III 600
4	2H relaxation	50 uM 2H labeled L17, 2H-CD3 beta amyloid peptide, 50 uM 2H labeled F19, 2H-ring-D5 beta amyloid peptide, 50 2H labeled uM L34, 2H-CD3 beta amyloid peptide, 50 uM 2H labeled M35, 2H-CD3 beta amyloid peptide, 50 uM 2H labeled V36, 2H-CD3 beta amyloid peptide	water	10 mM	7.4	1 atm	280	Bruker AVANCE III 750
5	2H static	50 uM 2H labeled L17, 2H-CD3 beta amyloid peptide, 50 uM 2H labeled F19, 2H-ring-D5 beta amyloid peptide, 50 2H labeled uM L34, 2H-CD3 beta amyloid peptide, 50 uM 2H labeled M35, 2H-CD3 beta amyloid peptide, 50 uM 2H labeled V36, 2H-CD3 beta amyloid peptide	water	10 mM	7.4	1 atm	280	Bruker AVANCE III 750

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	600
2	Bruker	AVANCE III	750

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	40
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
3	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore