2KYH

Solution structure of the voltage-sensing domain of KvAP

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	0.1-0.5 MM [U-98% 15N] ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
2	3D HNCO	0.1-0.5 MM [U-100% 13C U- 100% 15N U-80% 2H] ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
3	3D HNCA	0.1-0.5 MM [U-100% 13C U- 100% 15N U-80% 2H] ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
4	3D HN(CO)CA	0.1-0.5 MM [U-100% 13C U- 100% 15N U-80% 2H] ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
5	3D HCCH-COSY	0.1-0.5 MM [13CH3/12CD2]-LEU,VAL,[13CH3]-ILE ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
6	3D HN(COCA)CB	0.1-0.5 MM [13CH3/12CD2]-LEU,VAL,[13CH3]-ILE ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
7	3D 1H-15N NOESY	0.1-0.5 MM [13CH3/12CD2]-LEU,VAL,[13CH3]-ILE ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
8	3D 1H-13C NOESY	0.1-0.5 MM [13CH3/12CD2]-LEU,VAL,[13CH3]-ILE ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
9	TROSY HSQC	0.1-0.5 MM [U-98% 13C U-98% 15N] ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318
10	3D 15N-edited NOESY	0.1-0.5 MM [U-98% 13C U-98% 15N] ENTITY, 20 MM HEPES, 20 MM POTASSIUM CHLORIDE, 5 MM DIHEPTANOYL PHOSPHATIDYLCHOLINE	90% H2O/10% D2O	40	7.0	AMBIENT	318

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	900
2	Bruker	DMX	800
3	Bruker	DMX	700
4	Bruker	DMX	600

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

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

Additional NMR Experimental Information
Details	LOWEST ENERGY STRUCTURE IS MODEL 1. STRUCTURE CLOSEST TO THE MEAN COORDINATES IS MODEL 20.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	chemical shift calculation	Sparky		Goddard
4	peak picking	Sparky		Goddard