6FCE

NMR ensemble of Macrocyclic Peptidomimetic Containing Constrained a,a-dialkylated Amino Acids with Potent and Selective Activity at Human Melanocortin Receptors

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1D 1H	2.0 mM Peptide, 10 % v/v [U-99% 2H] D2O, 0.1 mM TSP, 200 mM [U-100% 2H] DPC	90% H2O/10% D2O	0 mM	5.5	1 atm	298	Varian INOVA 700
2	2D 1H-1H TOCSY	2.0 mM Peptide, 10 % v/v [U-99% 2H] D2O, 0.1 mM TSP, 200 mM [U-100% 2H] DPC	90% H2O/10% D2O	0 mM	5.5	1 atm	298	Varian INOVA 700
3	2D 1H-1H NOESY	2.0 mM Peptide, 10 % v/v [U-99% 2H] D2O, 0.1 mM TSP, 200 mM [U-100% 2H] DPC	90% H2O/10% D2O	0 mM	5.5	1 atm	298	Varian INOVA 700
4	2D DQF-COSY	2.0 mM Peptide, 10 % v/v [U-99% 2H] D2O, 0.1 mM TSP, 200 mM [U-100% 2H] DPC	90% H2O/10% D2O	0 mM	5.5	1 atm	298	Varian INOVA 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	700

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	chemical shift assignment	XEASY		Bartels et al.
2	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
3	processing	NMRDraw		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax