Table S3.

Numbers of complex points and spectral width in the indirect dimensions used to acquire the 3D spectra used for the assignments of sample 1 (Table S1)

	15N		13C
Experiment	Complex points	Spectral width, kHz	Complex points	Spectral width, kHz	Acquisition time, h
TROSY-HSQC	256	4.05			1
TROSY-HNcoCACB	128	3.00	76	12.82	129
TROSY-HNCACB	160	3.57	128	15.38	200
TROSY-HNcaCO	160	3.57	64	3.33	151
TROSY-HNCO	160	3.57	64	3.33	50

All experiments were acquired with 1,024 complex points in the direct dimension.