1NBL

NMR Structure of Hellethionin D

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	4mM Hellethionin D; water pH 2.5; 90% H2O, 10% D2O	90% H2O, 10% D2O pH 2.5	pH 2.5	2.5	1 bar	293
2	2D TOCSY	4mM Hellethionin D; water pH 2.5; 90% H2O, 10% D2O	90% H2O, 10% D2O pH 2.5	pH 2.5	2.5	1 bar	293
3	DQF-COSY	4mM Hellethionin D; water pH 2.5; 90% H2O, 10% D2O	90% H2O, 10% D2O pH 2.5	pH 2.5	2.5	1 bar	293
4	2D NOESY	4mM Hellethionin D; water pH 2.5; 90% H2O, 10% D2O	90% H2O, 10% D2O pH 2.5	pH 2.5	2.5	1 bar	283
5	2D TOCSY	4mM Hellethionin D; water pH 2.5; 90% H2O, 10% D2O	90% H2O, 10% D2O pH 2.5	pH 2.5	2.5	1 bar	283
6	DQF-COSY	4mM Hellethionin D; water pH 2.5; 90% H2O, 10% D2O	90% H2O, 10% D2O pH 2.5	pH 2.5	2.5	1 bar	283
7	2D NOESY	4mM Hellethionin D; water pH 2.5; 90% H2O, 10% D2O	90% H2O, 10% D2O pH 2.5	pH 2.5	2.5	1 bar	303
8	2D TOCSY	4mM Hellethionin D; water pH 2.5; 90% H2O, 10% D2O	90% H2O, 10% D2O pH 2.5	pH 2.5	2.5	1 bar	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750
2	Bruker	DRX	500
3	Bruker	AMX	400
4	Bruker	DRX	600

NMR Refinement
Method	Details	Software
distance geometry simulated annealing molecular dynamics	Structure is based on 577 NOE-derived constraints and 17 distance constraints from hydrogen bonds	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.0	bruker
2	processing	XwinNMR	3.0	bruker
3	data analysis	Sparky	3.98	Goddard
4	structure solution	DGII		Accelrys
5	structure solution	Discover	2.98	Accelrys
6	refinement	Discover	2.98	Accelrys