Experiment: 1N8X

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1 mM SL1 monomeric RNA, U-15N,13C; 100% D2O	100% D2O		7.0	ambient	308
2	4D_13C-separated_NOESY	1 mM SL1 monomeric RNA, U-15N,13C; 100% D2O	100% D2O		7.0	ambient	308
3	3D_13C-separated_ROESY	1 mM SL1 monomeric RNA, U-15N,13C; 100% D2O	100% D2O		7.0	ambient	308
4	3D_13C-separated_NOESY	1 mM SL1 monomeric RNA, Cyt-15N,13C; 100% D2O	100% D2O		7.0	ambient	308
5	4D_13C-separated_NOESY	1 mM SL1 monomeric RNA, Cyt-15N,13C; 100% D2O	100% D2O		7.0	ambient	308
6	3D_13C-separated_NOESY	1 mM SL1 monomeric RNA, Gua-15N,13C; 100% D2O	100% D2O		7.0	ambient	308
7	4D_13C-separated_NOESY	1 mM SL1 monomeric RNA, Gua-15N,13C; 100% D2O	100% D2O		7.0	ambient	308
8	IPAP H-COUPLED CT-HSQC	1 mM SL1 monomeric RNA, Gua-15N,13C; 10 mM Tris-d11, pH 8.0, 0.1 mM EDTA; 18 mg/ml Pf1 bacteriophage (ASLA); 100% D2O	100% D2O	10 mM Tris-Cl, 0.1 mM Na-EDTA	8.0	ambient	308
9	2D NOESY	1 mM SL1 monomeric RNA, unlabeled; 100% D2O	100% D2O		7.0	ambient	308
10	2D ROESY	1 mM SL1 monomeric RNA, unlabeled; 100% D2O	100% D2O		7.0	ambient	308

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

NMR Refinement
Method	Details	Software
TORSION ANGLE DYNAMICS, SIMULATED ANNEALING	The structures are based on a total of 408 experimental restraints, including 298 NOE-derived distance restraints, 84 hydrogen bond restraints, and 26 dipolar coupling restraints.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	600
Conformers Submitted Total Number	20
Representative Model	1 (lowest target function)

Additional NMR Experimental Information
Details	EXPERIMENT 8 (IPAP H-COUPLED CT-HSQC) WAS PERFORMED ON SAMPLE 4 AND SAMPLE 6 (GUA-15N,13C-LABELED SL1 WITH AND WITHOUT PF1 PHAGE). THE DIFFERENCE BETWEEN THE J-COUPLING VALUES = DIPOLAR COUPLING VALUE FOR A GIVEN C-H BOND.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	NMRPipe	2.1	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer, Bax
3	data analysis	NMRView	5.0.3	Johnson, Blevins
4	refinement	DYANA	1.5	Guntert, Mumenthaler, Wuthrich

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 R01GM157729.