2NCI

RNA Bulge Loop that Specifically Binds Metal Ions

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-13C HSQC	1.5 mM [U-98% 13C; U-98% 15N] ADENOSINE-5'-MONOPHOSPHATE, 1.5 mM [U-98% 13C; U-98% 15N] URIDINE-5'-MONOPHOSPHATE, 1.5 mM GUANOSINE-5'-MONOPHOSPHATE, 1.5 mM CYTIDINE-5'-MONOPHOSPHATE, 1.5 mM cobalt hexamine, 10 mM sodium chloride, 10 mM sodium phosphate	100% D2O	20	6	ambient	298
2	3D HCCH-TOCSY	1.5 mM [U-98% 13C; U-98% 15N] ADENOSINE-5'-MONOPHOSPHATE, 1.5 mM [U-98% 13C; U-98% 15N] URIDINE-5'-MONOPHOSPHATE, 1.5 mM GUANOSINE-5'-MONOPHOSPHATE, 1.5 mM CYTIDINE-5'-MONOPHOSPHATE, 1.5 mM cobalt hexamine, 10 mM sodium chloride, 10 mM sodium phosphate	100% D2O	20	6	ambient	298
3	2D NOESY13CHSQC	1.5 mM [U-98% 13C; U-98% 15N] ADENOSINE-5'-MONOPHOSPHATE, 1.5 mM [U-98% 13C; U-98% 15N] URIDINE-5'-MONOPHOSPHATE, 1.5 mM GUANOSINE-5'-MONOPHOSPHATE, 1.5 mM CYTIDINE-5'-MONOPHOSPHATE, 1.5 mM cobalt hexamine, 10 mM sodium chloride, 10 mM sodium phosphate	100% D2O	20	6	ambient	298
4	2D HCNTROSY	1.5 mM [U-98% 13C; U-98% 15N] ADENOSINE-5'-MONOPHOSPHATE, 1.5 mM [U-98% 13C; U-98% 15N] URIDINE-5'-MONOPHOSPHATE, 1.5 mM GUANOSINE-5'-MONOPHOSPHATE, 1.5 mM CYTIDINE-5'-MONOPHOSPHATE, 1.5 mM cobalt hexamine, 10 mM sodium chloride, 10 mM sodium phosphate	100% D2O	20	6	ambient	298
5	2D NOESY	1.5 mM [U-98% 13C; U-98% 15N] ADENOSINE-5'-MONOPHOSPHATE, 1.5 mM [U-98% 13C; U-98% 15N] URIDINE-5'-MONOPHOSPHATE, 1.5 mM GUANOSINE-5'-MONOPHOSPHATE, 1.5 mM CYTIDINE-5'-MONOPHOSPHATE, 1.5 mM cobalt hexamine, 10 mM sodium chloride, 10 mM sodium phosphate	100% D2O	20	6	ambient	298
6	2D 1H-13C HSQC	1.5 mM [U-98% 13C; U-98% 15N] ADENOSINE-5'-MONOPHOSPHATE, 1.5 mM [U-98% 13C; U-98% 15N] URIDINE-5'-MONOPHOSPHATE, 1.5 mM GUANOSINE-5'-MONOPHOSPHATE, 1.5 mM CYTIDINE-5'-MONOPHOSPHATE, 1.5 mM cobalt hexamine, 5 mg/mL phage, 10 mM sodium chloride, 10 mM sodium phosphate	100% D2O	20	6	ambient	298
7	2D NOESY	1 mM GUANOSINE-5'-MONOPHOSPHATE, 1 mM ADENOSINE-5'-MONOPHOSPHATE, 1 mM CYTIDINE-5'-MONOPHOSPHATE, 1 mM URIDINE-5'-MONOPHOSPHATE, 1 mM cobalt hexamine, 10 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	20	6	ambient	274
8	2D COSY	1 mM GUANOSINE-5'-MONOPHOSPHATE, 1 mM ADENOSINE-5'-MONOPHOSPHATE, 1 mM CYTIDINE-5'-MONOPHOSPHATE, 1 mM URIDINE-5'-MONOPHOSPHATE, 1 mM cobalt hexamine, 10 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	20	6	ambient	274
9	2D 1H-13C HSQC	1 mM GUANOSINE-5'-MONOPHOSPHATE, 1 mM ADENOSINE-5'-MONOPHOSPHATE, 1 mM CYTIDINE-5'-MONOPHOSPHATE, 1 mM URIDINE-5'-MONOPHOSPHATE, 1 mM cobalt hexamine, 10 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	20	6	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	VNMRS	500
2	Agilent	INOVA	900
3	Agilent	INOVA	800
4	Agilent	NMR System	600

NMR Refinement
Method	Details	Software
simulated annealing		Sparky

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	Sparky		Goddard
2	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore