1R1F

Solution Structure of the Cyclotide Palicourein: Implications for the development of pharmaceutical and agricultural applications

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	3.8 mM Palicourein, 90% H2O, 10% D2O	90% H2O/10% D2O		4.0	ambient	295
2	2D NOESY	3.8 mM Palicourein, 90% H2O, 10% D2O	90% H2O/10% D2O		4.0	ambient	295
3	E-COSY

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750
2	Bruker	ARX	500

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics		CNS

NMR Ensemble Information
Conformer Selection Criteria	lowest energy structures
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure calculation	DYANA		Guntert, Braun and Wuthrich
2	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read

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.