2KBC

Solution structure of human insulin-like peptide 5 (INSL5)

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D DQF-COSY	0.2 mM INSL5	90% H2O/10% D2O	0	4	ambient	298
2	2D 1H-1H TOCSY	0.2 mM INSL5	90% H2O/10% D2O	0	4	ambient	298
3	2D 1H-1H NOESY	0.2 mM INSL5	90% H2O/10% D2O	0	4	ambient	298
4	2D 1H-1H TOCSY	0.2 mM INSL5	90% H2O/10% D2O	0	4	ambient	298
5	2D 1H-1H NOESY	0.2 mM INSL5	90% H2O/10% D2O	0	4	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	900
2	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
simulated annealing	Structures were generated using torsion-angle dynamics and subsequently refined and energy minimized using Cartesian dynamics and powell minimization in explicit solvent within the program CNS.	TopSpin

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)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	2.1	Bruker Biospin
2	processing	TopSpin	2.1	Bruker Biospin
3	data analysis	CARA	1.5	Keller, Wuthrich
4	structure solution	CYANA	2.0	Guntert, Mumenthaler, Wuthrich
5	refinement	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges, Read