6DNY

Solution structure of the cyclic tetrapeptide, PYPV

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 mM NA cyclo(-L-Pro-L-Tyr-L-Pro-L-Val-)	deuterated DMSO	0	7.0	1 bar	293	Bruker AVANCE III 600
2	2D 1H-1H NOESY	1 mM NA cyclo(-L-Pro-L-Tyr-L-Pro-L-Val-)	deuterated DMSO	0	7.0	1 bar	293	Bruker AVANCE III 600
3	2D 1H-1H ROESY	1 mM NA cyclo(-L-Pro-L-Tyr-L-Pro-L-Val-)	deuterated DMSO	0	7.0	1 bar	293	Bruker AVANCE III 600
5	2D 1H-13C HSQC	1 mM NA cyclo(-L-Pro-L-Tyr-L-Pro-L-Val-)	deuterated DMSO	0	7.0	1 bar	293	Bruker AVANCE III 600

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

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CYANA	3.96	Guntert P.
2	structure calculation	CYANA	3.96	Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	CARA		Keller, Wuthrich
4	peak picking	CARA		Keller and Wuthrich