6QXC

NMR structure of peptide 8, characterized by a trans-4-cyclohexyl-Pro, with a dramatic reduction in activity on E. coli ATCC and lost effect on P. aeruginosa.

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1D 1H	200 mM [U-100% 2H] SDS, 10 % v/v [U-99% 2H] D2O, 2 mM peptide, 90 % v/v H2O	90% H2O/10% D2O	0 mM	5.0	1 atm	298	Varian INOVA 700
2	2D 1H-1H NOESY	200 mM [U-100% 2H] SDS, 10 % v/v [U-99% 2H] D2O, 2 mM peptide, 90 % v/v H2O	90% H2O/10% D2O	0 mM	5.0	1 atm	298	Varian INOVA 700
3	2D 1H-1H TOCSY	200 mM [U-100% 2H] SDS, 10 % v/v [U-99% 2H] D2O, 2 mM peptide, 90 % v/v H2O	90% H2O/10% D2O	0 mM	5.0	1 atm	298	Varian INOVA 700
4	2D DQF-COSY	200 mM [U-100% 2H] SDS, 10 % v/v [U-99% 2H] D2O, 2 mM peptide, 90 % v/v H2O	90% H2O/10% D2O	0 mM	5.0	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 least restraint violations
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

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