1KN7

Solution structure of the tandem inactivation domain (residues 1-75) of potassium channel RCK4 (Kv1.4)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	0.8mM RCK4(1-75) U-15N; 50 mM sodium phosphate, 10 mM DTT	90% H2O/10% D2O	50 mM	4.4	ambient	283
2	HNHA	0.8mM RCK4(1-75) U-15N; 50 mM sodium phosphate, 10 mM DTT	90% H2O/10% D2O	50 mM	4.4	ambient	283
3	2D NOESY	1mM RCK4(1-75); 50 mM sodium phosphate, 10 mM DTT	90% H2O/10% D2O	50 mM	4.4	ambient	283

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

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics	SEE THE PRIMARY CITATION FOR STRUCTURAL STATISTICS	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,target function
Conformers Calculated Total Number	300
Conformers Submitted Total Number	25
Representative Model	10 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	data analysis	AURELIA	2.7.5	Bruker
3	data analysis	XEASY	1.3.13	Bartels, Xia
4	structure solution	DYANA	1.5	MUMENTHALER, GUENTERT
5	refinement	DYANA	1.5	MUMENTHALER, GUENTERT

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.