5T4R

NMR solution structure of the Nav1.7 selective spider venom-derived peptide Pn3a

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	2 mg/mL mu-theraphotoxin-Pn3a	90% H2O/10% D2O		4.0	Ambient	298	Bruker AVANCE 600
2	2D 1H-1H TOCSY	2 mg/mL mu-theraphotoxin-Pn3a	90% H2O/10% D2O		4.0	Ambient	298	Bruker AVANCE 600
3	2D 1H-15N HSQC	2 mg/mL mu-theraphotoxin-Pn3a	90% H2O/10% D2O		4.0	Ambient	298	Bruker AVANCE 600
4	2D 1H-1H NOESY	2 mg/mL mu-theraphotoxin-Pn3a	100% D2O		4.0	Ambient	298	Bruker AVANCE 600
5	2D 1H-1H TOCSY	2 mg/mL mu-theraphotoxin-Pn3a	100% D2O		4.0	Ambient	298	Bruker AVANCE 600
6	2D 1H-13C HSQC	2 mg/mL mu-theraphotoxin-Pn3a	100% D2O		4.0	Ambient	298	Bruker AVANCE 600
7	2D 1H-1H ECOSY	2 mg/mL mu-theraphotoxin-Pn3a	100% D2O		4.0	Ambient	298	Bruker AVANCE 600

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

NMR Refinement
Method	Details	Software
simulated annealing	Refinement in explicit water	CNS

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
2	collection	TopSpin	2.1	Bruker Biospin
3	chemical shift assignment	CARA		Keller and Wuthrich
4	structure calculation	CYANA	3.0	Guntert, Mumenthaler and Wuthrich