5IEM

NMR structure of the 5'-terminal hairpin of the 7SK snRNA

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	0.4 mM [U-99% 13C; U-99% 15N] HPI	90% H2O/10% D2O	50 mM	6.4	ambient Pa	288	Bruker AVANCE III 700
2	2D 1H-15N HSQC	0.4 mM [U-99% 13C; U-99% 15N] HPI	90% H2O/10% D2O	50 mM	6.4	ambient Pa	288	Bruker AVANCE III 700
3	2D 1H-1H NOESY	0.4 mM [U-99% 13C; U-99% 15N] HPI	100% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 700
4	2D 1H-13C HSQC	0.4 mM [U-99% 13C; U-99% 15N] HPI	100% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 700
5	2D 1H-13C HSQC	0.4 mM [U-99% 13C; U-99% 15N] HPI	90% H2O/10% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 700
6	2D 1H-1H TOCSY	0.4 mM [U-99% 13C; U-99% 15N] HPI	100% D2O	50 mM	6.4	ambient Pa	303	Bruker DRX 600
7	2D DQF-COSY	0.4 mM [U-99% 13C; U-99% 15N] HPI	100% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 700
8	3D HCCH-TOCSY	0.4 mM [U-99% 13C; U-99% 15N] HPI	100% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 700
9	2D 1H-15N HSQC	0.4 mM [U-99% 13C; U-99% 15N] HPI	90% H2O/10% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 700
10	3D HCP	0.4 mM [U-99% 13C; U-99% 15N] HPI	100% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 500
11	2D HPCOSY	0.4 mM [U-99% 13C; U-99% 15N] HPI	100% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 500
12	2D HCN	0.4 mM [U-99% 13C; U-99% 15N] HPI	100% D2O	50 mM	6.4	ambient Pa	303	Bruker AVANCE III 700

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

NMR Refinement
Method	Details	Software
torsion angle dynamics		CNS

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS		Brunger A. T. et.al.