7D37

Solution structure of Acm2-precursor peptide of Heat-stable enterotoxin produced by Enterotoxigenic Escherichia coli

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D DQF-COSY	2 mg/mL Acm2-precursor peptide of STh	100% D2O	1 mM	3.0	1.0 atm	298.15	JEOL JNM-ECA800 800
2	2D DQF-COSY	2 mg/mL Acm2-precursor peptide of STh	90% H2O/10% D2O	1 mM	3.0	1.0 atm	298.15	JEOL JNM-ECA800 800
3	2D 1H-1H NOESY	2 mg/mL Acm2-precursor peptide of STh	100% D2O	1 mM	3.0	1.0 atm	298.15	JEOL JNM-ECA800 800
4	2D 1H-1H NOESY	2 mg/mL Acm2-precursor peptide of STh	90% H2O/10% D2O	1 mM	3.0	1.0 atm	298.15	JEOL JNM-ECA800 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	JEOL	JNM-ECA800	800

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
4	structure calculation	CNS		Brunger, Adams, Clore, Gros, Nilges and Read