2E3G

NMR structure of DEF-DAA, a mutant of anopheles defensin DEF-AAA

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	1.9mM DEF-DAA; 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	293
2	2D TOCSY	1.9mM DEF-DAA; 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	293
3	2D NOESY	1.9mM DEF-DAA; 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	293
4	DQF-COSY	1.9mM DEF-DAA; 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	303
5	2D TOCSY	1.9mM DEF-DAA; 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	303
6	2D NOESY	1.9mM DEF-DAA; 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	303

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

NMR Refinement
Method	Details	Software
Simulated annealing with torsion angle space (ARIA/CNS)	The structures are based on a total of 746 NOE-derived distance constraints.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy and the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest restraint energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2.2	Delaglio
2	data analysis	NMRView	5.0	Johnson
3	structure solution	ARIA	1.1	Linge & Nilges
4	structure solution	CNS	1.1	Brunger
5	refinement	CNS	1.1	Brunger

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.