1OMQ

Structure of penetratin in bicellar solution

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	3mM penetratin, 50 mM KCl; 15% w/v (DMPC+DMPG)/DHPC bicellar solution with q=0.5 and 5% D2O	15% w/v (DMPC+DMPG)/DHPC bicellar solution with q=0.5 and 5% D2O	50mM KCl	5.5	1 atm	310
2	2D TOCSY	3mM penetratin, 50 mM KCl; 15% w/v (DMPC+DMPG)/DHPC bicellar solution with q=0.5 and 5% D2O	15% w/v (DMPC+DMPG)/DHPC bicellar solution with q=0.5 and 5% D2O	50mM KCl	5.5	1 atm	310

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY	600

NMR Refinement
Method	Details	Software
distance geometry	A total of 129 distance constraints where identified, mostly sequential and medium range NOEs (40 intra-residue, 54 sequential and 35 medium range NOEs)	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	60
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average,lowest energy)

Additional NMR Experimental Information
Details	Structure was determined by standard 2D homonuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1c
2	data analysis	Felix	2000.1
3	structure solution	DYANA	1.5	Guntert, Mumenthaler, Herrmann
4	refinement	DYANA	1.5	Guntert, Mumenthaler, Herrmann