8R8P

Solution structure of SMN-CX bound to the RNA helix formed upon SMN2 exon7 5'-splice site recognition

SOLID-STATE NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-13C HSQC aliphatic	10 mM MES, 50 mM sodium chloride, 1 mM RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 1 mM RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3'), 1.5 mM SCX	100% D2O	50 mM	5.5	atm atm	293	Bruker AVANCE III HD 800
2	2D 1H-13C HSQC aromatic	10 mM MES, 50 mM sodium chloride, 1 mM RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 1 mM RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3'), 1.5 mM SCX	100% D2O	50 mM	5.5	atm atm	293	Bruker AVANCE III HD 800
3	2D 1H-1H NOESY	10 mM MES, 50 mM sodium chloride, 1 mM RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 1 mM RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3'), 1.5 mM SCX	100% D2O	50 mM	5.5	atm atm	293	Bruker AVANCE III HD 800
4	2D 1H-1H TOCSY	10 mM MES, 50 mM sodium chloride, 1 mM RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 1 mM RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3'), 1.5 mM SCX	100% D2O	50 mM	5.5	atm atm	293	Bruker AVANCE III HD 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III HD	800

NMR Refinement
Method	Details	Software
simulated annealing		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	15
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber		Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
2	structure calculation	CYANA	3.98	Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	CARA		Keller and Wuthrich
4	peak picking	CARA		Keller and Wuthrich