7TVR

Structure of the ribbon isoform of the novel conotoxin PnID derived from Conus pennaceus

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1 mM PnID (ribbon form), 0.2 mM DSS	95% H2O/5% D2O	0	4.0	1 atm	278	Bruker AVANCE NEO 600
2	2D TOCSY	1 mM PnID (ribbon form), 0.2 mM DSS	95% H2O/5% D2O	0	4.0	1 atm	278	Bruker AVANCE NEO 600
3	2D 1H-13C HSQC	1 mM PnID (ribbon form), 0.2 mM DSS	95% H2O/5% D2O	0	4.0	1 atm	278	Bruker AVANCE NEO 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE NEO	600

NMR Refinement
Method	Details	Software
molecular dynamics		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	1.21	Brunger, Adams, Clore, Gros, Nilges and Read
2	structure calculation	ARIA	2.3.2	Linge, O'Donoghue and Nilges
3	chemical shift assignment	CcpNmr Analysis	2.5.2	CCPN
4	processing	TopSpin	4.1.3	Bruker Biospin

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.