Experiment: 1HO6

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	1 mM hairpin	D2O		7.0	1 atm	288
2	2D-NOESY	1 mM hairpin	D2O		7.0	1 atm	288

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500

NMR Refinement
Method	Details	Software
simulated annealing	Starting A- and B-type stem hairpin structures with randomly organized loops were refined by 14 ps restrained molecular dynamics (300-1000 K) with final enegry minimization	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	all calculated structures submitted
Conformers Calculated Total Number	10
Conformers Submitted Total Number	10
Representative Model	1 (the hairpin stem structure closest to the average)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homo- and heteronuclear techniques: NOESY, DQF-COSY, TOCSY, H,C-HMQC and H,P-HetCOSY

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.843	Brunger
2	data analysis	X-PLOR		Bruker

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.