6HMI

Solution structure of the RNA duplex formed by the 5'-end of U1snRNA and the 5'-splice site of SMN2 exon7

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	10 mM deuterated MES, 50 mM unlabelled NaCl	100% D2O	50 mM	5.5	atm Pa	293	Bruker 900 AVANCE 900
2	2D 1H-1H NOESY	10 mM deuterated MES, 50 mM unlabelled NaCl	100% D2O	50 mM	5.5	atm Pa	293	Bruker 900 AVANCE 900
3	2D 1H-13C HSQC aliphatic	10 mM deuterated MES, 50 mM unlabelled NaCl	100% D2O	50 mM	5.5	atm Pa	293	Bruker 900 AVANCE 900
4	2D 1H-13C HSQC aromatic	10 mM deuterated MES, 50 mM unlabelled NaCl	100% D2O	50 mM	5.5	atm Pa	293	Bruker 900 AVANCE 900
5	3D 1H-13C NOESY aliphatic	10 mM deuterated MES, 50 mM unlabelled NaCl	100% D2O	50 mM	5.5	atm Pa	293	Bruker 600 AVANCE 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	900 AVANCE	900
2	Bruker	600 AVANCE	600

NMR Refinement
Method	Details	Software
molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber	12	Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
2	structure calculation	CYANA	3.1	Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	CARA		Keller and Wuthrich
4	peak picking	CYANA	3.1	Guntert, Mumenthaler and Wuthrich