Experiment: 2LK3

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.5-0.6 mM RNA	90% H2O/10% D2O	15	7.0	ambient	283
2	2D 1H-1H NOESY	0.5-0.6 mM RNA	100% D2O	15	7.0	ambient	298
3	2D 1H-1H TOCSY	0.5-0.6 mM RNA	100% D2O	15	7.0	ambient	298
4	2D 1H-13C HSQC aromatic	0.5-0.6 mM RNA	100% D2O	15	7.0	ambient	298
5	2D 1H-13C HSQC aliphatic	0.5-0.6 mM RNA	100% D2O	15	7.0	ambient	298
6	2D 1H-15N HMQC	0.3 mM [U-98% 13C; U-98% 15N] RNA	90% H2O/10% D2O	15	7.0	ambient	283
7	2D 1H-13C HSQC aromatic	0.3 mM [U-98% 13C; U-98% 15N] RNA	100% D2O	15	7.0	ambient	298
8	2D 1H-13C HSQC aliphatic	0.3 mM [U-98% 13C; U-98% 15N] RNA	100% D2O	15	7.0	ambient	298
9	2D 1H-15N HMQC	0.3 mM [U-98% 13C; U-98% 15N] RNA, 17 mg/ml Pf1 phage	90% H2O/10% D2O	15	7.0	ambient	283
10	2D 1H-13C HSQC aromatic	0.3 mM [U-98% 13C; U-98% 15N] RNA, 17 mg/ml Pf1 phage	100% D2O	15	7.0	ambient	298
11	2D 1H-13C HSQC aliphatic	0.3 mM [U-98% 13C; U-98% 15N] RNA, 17 mg/ml Pf1 phage	100% D2O	15	7.0	ambient	298
12	2D HNN-COSY	0.3 mM [U-98% 13C; U-98% 15N] RNA	90% H2O/10% D2O	15	7.0	ambient	283
13	3D HCCH-TOCSY	0.3 mM [U-98% 13C; U-98% 15N] RNA	100% D2O	15	7.0	ambient	298
14	3D HCCH-COSY	0.3 mM [U-98% 13C; U-98% 15N] RNA	100% D2O	15	7.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS	1.1	Brunger, Adams, Clore, Gros, Nilges and Read
2	collection	XwinNMR	3.5	Bruker Biospin
3	processing	XwinNMR	3.5	Bruker Biospin
4	collection	VnmrJ	1.1	Varian
5	processing	NMRPipe	97.027.12.56	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
6	chemical shift assignment	Sparky	3.114	Goddard
7	data analysis	Sparky	3.114	Goddard
8	peak picking	Sparky	3.114	Goddard
9	refinement	X-PLOR NIH	2.21	Schwieters, Kuszewski, Tjandra and Clore

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.