2L2R

Helical hairpin structure of a novel antimicrobial peptide EcAMP1 from seeds of barnyard grass (Echinochloa crus-galli)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.7 mg/mL EcAMP1, 10 mM KOH	95% H2O/5% D2O	10	6.62	1 atm	293
2	2D 1H-1H TOCSY	0.7 mg/mL EcAMP1, 10 mM KOH	95% H2O/5% D2O	10	6.62	1 atm	293
3	2D DQF-COSY	0.7 mg/mL EcAMP1, 10 mM KOH	95% H2O/5% D2O	10	6.62	1 atm	293

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

NMR Refinement
Method	Details	Software
simulated annealing	Simulated annealing in torsion angle space implemented in CYANA	CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
2	refinement	CYANA	2.1	Guntert, Mumenthaler and Wuthrich

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.