1T9E

NMR solution structure of a disulfide analogue of the cyclic sunflower trypsin inhibitor SFTI-1

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	10 mM peptide in 0.5 ml solvent	90% H2O/10% D2O		4.5	ambient	290
2	2D TOCSY	10 mM peptide in 0.5 ml solvent	90% H2O/10% D2O		4.5	ambient	290
3	2D NOESY	10 mM peptide in 0.5 ml solvent	90% H2O/10% D2O		4.5	ambient	290
4	2D TOCSY	10 mM peptide in 0.5 ml solvent	100% D2O		4.5	ambient	290
5	2D NOESY	10 mM peptide in 0.5 ml solvent	100% D2O		4.5	ambient	290
6	E-COSY	10 mM peptide in 0.5 ml solvent	100% D2O		4.5	ambient	290

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750

NMR Refinement
Method	Details	Software
Structures were calculated using torsion angle dynamics and refined using cartesian dynamics and energy minimization in solvent using CNS.		XWINNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

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	3.5	Bruker
2	structure solution	CNS	1.0	BRUNGER, ADAMS, CLORE, DELANO, GROS, GROSSE-KUNSTLEVE, JIANG, KUSZEWSKI, NILGES, PANNU, READ, RICE, SIMONSON, WARREN
3	refinement	CNS	1.0	BRUNGER, ADAMS, CLORE, DELANO, GROS, GROSSE-KUNSTLEVE, JIANG, KUSZEWSKI, NILGES, PANNU, READ, RICE, SIMONSON, WARREN