1I2V

NMR SOLUTION STRUCTURES OF AN ANTIFUNGAL AND ANTIBACTERIAL MUTANT OF HELIOMICIN

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H DQF-COSY; TQF-COSY; TOCSY; NOESY	4 mM heliomicin-LL ; 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.3	ambient	293

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

NMR Refinement
Method	Details	Software
torsion angle dynamics (DYANA) and energy minimisation (XPLOR)	the structures are based on a total of 120 intra-residue, 172 sequential, 108 medium range, 190 long range NOE-derived distance restraints, 9 distances restraints corresponding to the 3 disulfide bridge, 100 dihedral angle restraints, and 13 distance restraints for hydrogen bonds	UXNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry, structures with favorable non-bond energy, structures with the least restraint violations, structures with the lowest energy, target function
Conformers Calculated Total Number	40
Conformers Submitted Total Number	18
Representative Model	1 (lowest target function)

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	UXNMR
2	data analysis	XEASY		Bartels
3	refinement	DYANA		Guentert
4	refinement	X-PLOR		Brunger

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.