2KMO

Solution structure of native Leech-derived tryptase inhibitor, LDTI

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	1.7 mM LDTI	90% H2O/10% D2O		1.7	ambient	298
2	2D 1H-1H COSY	1.7 mM LDTI	90% H2O/10% D2O		1.7	ambient	298
3	2D 1H-1H NOESY	1.7 mM LDTI	90% H2O/10% D2O		1.7	ambient	298
4	2D 1H-1H TOCSY	1.7 mM LDTI	100% D2O		1.7	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	Avance	800
2	Bruker	Avance	600

NMR Refinement
Method	Details	Software
molecular dynamics	energy minimization with NMR distance constraints using a generalized Born solvent model	TOPSPIN

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TOPSPIN	1.3	Bruker Biospin
2	processing	TOPSPIN	1.3	Bruker Biospin
3	peak picking	NMRView	5.0.20	Johnson, One Moon Scientific
4	data analysis	NMRView	5.0.20	Johnson, One Moon Scientific
5	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
6	refinement	AMBER	9.0	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm