7YSS

Novel salt-resistant antimicrobial peptide, RR14

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H COSY	2.4 mM RR14, 100 mM sodium chloride, 20 mM sodium phosphate, 197 mM [U-100% 2H] DPC, 90 % H2O, 10 % [U-100% 2H] D2O	90% H2O/10% D2O	120 mM	4.983	1 atm	318	Bruker AVANCE 800
2	2D 1H-1H TOCSY	2.4 mM RR14, 100 mM sodium chloride, 20 mM sodium phosphate, 197 mM [U-100% 2H] DPC, 90 % H2O, 10 % [U-100% 2H] D2O	90% H2O/10% D2O	120 mM	4.983	1 atm	318	Bruker AVANCE 800
3	2D 1H-1H NOESY	2.4 mM RR14, 100 mM sodium chloride, 20 mM sodium phosphate, 197 mM [U-100% 2H] DPC, 90 % H2O, 10 % [U-100% 2H] D2O	90% H2O/10% D2O	120 mM	4.983	1 atm	318	Bruker AVANCE 800
4	2D 1H-15N HSQC	2.4 mM RR14, 100 mM sodium chloride, 20 mM sodium phosphate, 197 mM [U-100% 2H] DPC, 90 % H2O, 10 % [U-100% 2H] D2O	90% H2O/10% D2O	120 mM	4.983	1 atm	318	Bruker AVANCE 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing		PONDEROSA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	CARA		Keller and Wuthrich
2	structure calculation	PONDEROSA		W Lee
3	collection	TopSpin		Bruker Biospin
4	peak picking	Sparky		Goddard