Experiment: 9PAZ

Solution NMR structure of conotoxin AoIA

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	2 mg/mL ArxA	90% H2O/10% D2O	0 mM	3.5	ambient	298	Bruker AVANCE III HD 700
2	2D 1H-1H NOESY	2 mg/mL ArxA	90% H2O/10% D2O	0 mM	3.5	ambient	298	Bruker AVANCE III HD 700
3	2D 1H-13C HSQC	2 mg/mL ArxA	90% H2O/10% D2O	0 mM	3.5	ambient	298	Bruker AVANCE III HD 700
4	2D 1H-15N HSQC	2 mg/mL ArxA	90% H2O/10% D2O	0 mM	3.5	ambient	298	Bruker AVANCE III HD 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III HD	700

NMR Refinement
Method	Details	Software
simulated annealing	Structures were calculated using torsion angle dynamics and refined in explicit solvent using cartesian dynamics.	CNS

NMR Ensemble Information
Conformer Selection Criteria	Molprobity score
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	3.7.0	Bruker Biospin
2	processing	TopSpin	3.7.0	Bruker Biospin
3	chemical shift assignment	CARA	1.9.1	Keller and Wuthrich
4	structure calculation	CYANA	3.98.15	Guntert, Mumenthaler and Wuthrich
5	refinement	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.