2NPV

Structure and dynamics of surfactin studied by NMR in micellar media

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	4mM surfactin in 90% H2O, 10% D2O (pH 5.1); 50mM SDS-d25	90% H2O/10% D2O		5.1	ambient	298
2	2D TOCSY	4mM surfactin in 90% H2O, 10% D2O (pH 5.1); 50mM SDS-d25	90% H2O/10% D2O		5.1	ambient	298
3	2D NOESY	4mM surfactin in 90% H2O, 10% D2O (pH 5.1); 50mM SDS-d25	90% H2O/10% D2O		5.1	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing	the structures are based on a total of 49 restraints, 47 are NOE-derived distance constraints and 2 are dihedral angle restraints	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations, structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	24
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	X-PLOR	3.851
2	refinement	CHARMM	22
3	data analysis	Gifa	4.0	Marc-Andre Delsuc
4	data analysis	MOLMOL

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.