2M57

NMR solution structure of domain 5 from Azotobacter vinelandii Intron 5 at pH 7.8

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.5-1 mM RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O	60		ambient	300
2	2D 1H-1H NOESY	0.5-1 mM [3',4',5',5'',5]-100% 2D RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O	60		ambient	300
3	2D 1H-1H NOESY	0.5-1 mM RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	7.8	ambient	275
4	2D 1H-1H TOCSY	0.5-1 mM RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O	60		ambient	300
5	2D 1H-15N HSQC	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	7.8	ambient	275
6	2D 1H-13C HSQC aromatic	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O	60		ambient	300
7	2D 1H-13C HSQC aliphatic	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O	60		ambient	300
8	2D JNN HNN COSY	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	7.8	ambient	275
9	2D 1H-1H NOESY	0.5-1 mM RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O
10	2D 1H-1H NOESY	0.5-1 mM RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O
11	2D 1H-1H NOESY	0.5-1 mM RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	5.2	ambient	275
12	2D 1H-1H NOESY	0.5-1 mM RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	6.7	ambient	275
13	2D 1H-13C HSQC aromatic	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O
14	2D 1H-13C HSQC aromatic	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O
15	2D 1H-13C HSQC aliphatic	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	100% D2O
16	2D 1H-15N HSQC	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	5.2	ambient	275
17	2D 1H-15N HSQC	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	6.7	ambient	275
18	2D JNN HNN COSY	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	5.2	ambient	275
19	2D JNN HNN COSY	0.5-1 mM [100% 13C; 100% 15N] RNA (35-MER), 60 mM potassium chloride, 10 uM EDTA	90% H2O/10% D2O	60	6.7	ambient	275

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	700
2	Bruker	AVANCE	600
3	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
torsion angle dynamics		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
2	structure solution	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
3	refinement	X-PLOR NIH	2.3	Schwieters, Kuszewski, Tjandra and Clore
4	structure solution	X-PLOR NIH	2.3	Schwieters, Kuszewski, Tjandra and Clore
5	data analysis	MOLMOL		Koradi, Billeter and Wuthrich
6	chemical shift assignment	Sparky		Goddard
7	peak picking	Sparky		Goddard
8	data analysis	Sparky		Goddard
9	processing	TopSpin	3.0.a	Bruker Biospin
10	data analysis	TopSpin	3.0.a	Bruker Biospin
11	data analysis	Curves		Lavery