2IT8

Solution structure of a linear analog of the cyclic squash trypsin inhibitor MCoTI-II

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.2 mM peptide, 90% H2O, 10% D2O	90% H2O/10% D2O		3.0	1 atm	285
2	2D TOCSY	1.2 mM peptide, 90% H2O, 10% D2O	90% H2O/10% D2O		3.0	1 atm	285
3	2D NOESY	1.2 mM peptide, 90% H2O, 10% D2O	90% H2O/10% D2O		3.0	1 atm	300
4	2D TOCSY	1.2 mM peptide, 90% H2O, 10% D2O	90% H2O/10% D2O		3.0	1 atm	300
5	2D 1H-13C HSQC	1.2 mM peptide	D2O		3.0	1 atm	300
6	2D NOESY	1.2 mM peptide	D2O		3.0	1 atm	300
7	2D TOCSY	1.2 mM peptide	D2O		3.0	1 atm	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
torsion angle dynamics, simulated annealing, restrained molecular dynamics		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	30
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.1	bruker
2	processing	XwinNMR	3.1	bruker
3	structure solution	CYANA	2.1	Guntert, P. et al.
4	refinement	Amber	8	Case, D.A. et al.