2LHO

Solution Structure of a DNA duplex Containing an Unnatural, Hydrophobic Base Pair

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	10 mM sodium phosphate, 100 mM sodium chloride	100% D2O	0.1	7.0	ambient	298
2	2D DQF-COSY	10 mM sodium phosphate, 100 mM sodium chloride	100% D2O	0.1	7.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500

NMR Refinement
Method	Details	Software
simulated annealing		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	40
Conformers Submitted Total Number	15
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	Amber	11	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman
2	refinement	Amber	11	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman

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 R01GM133198.