2NDJ

Structural Basis for KCNE3 and Estrogen Modulation of the KCNQ1 Channel

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein	90% H2O/10% D2O		6.5		313
2	3D HNCA	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein	90% H2O/10% D2O		6.5		313
3	3D HN(CO)CA	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein	90% H2O/10% D2O		6.5		313
4	3D HNCACB	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein	90% H2O/10% D2O		6.5		313
5	3D CBCA(CO)NH	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein	90% H2O/10% D2O		6.5		313
6	3D HNCO	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein	90% H2O/10% D2O		6.5		313
7	3D HCACO	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein	90% H2O/10% D2O		6.5		313
8	2D 1H-15N HSQC	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein	90% H2O/10% D2O		6.5		313

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800
2	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing, molecular dynamics		NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	9764
Conformers Submitted Total Number	10
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	chemical shift assignment	NMRView		Johnson, One Moon Scientific
3	data analysis	NMRView		Johnson, One Moon Scientific
4	peak picking	NMRView		Johnson, One Moon Scientific
5	processing	TopSpin		Bruker Biospin
6	collection	TopSpin		Bruker Biospin
7	structure solution	TALOS		Cornilescu, Delaglio and Bax
8	structure solution	X-PLOR		Schwieters, Kuszewski, Tjandra and Clore
9	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman
10	refinement	X-PLOR		Schwieters, Kuszewski, Tjandra and Clore