5OR0

NMR derived model of the 5'-splice site of SMN2 in complex with the 5'-end of U1 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 TOCSY	1 mM RNA (5'-R(P*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'), 10 mM deuterated MES, 50 mM sodium chloride	100% D2O	50 mM	5.5	atmospheric bar	283	Bruker AVANCE III 900
2	2D 1H-1H NOESY	1 mM RNA (5'-R(P*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'), 10 mM deuterated MES, 50 mM sodium chloride	100% D2O	50 mM	5.5	atmospheric bar	283	Bruker AVANCE III 900
3	2D 1H-13C HSQC aromatic	1 mM RNA (5'-R(P*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'), 10 mM deuterated MES, 50 mM sodium chloride	100% D2O	50 mM	5.5	atmospheric bar	283	Bruker AVANCE III 900
4	2D 1H-13C HSQC aliphatic	1 mM RNA (5'-R(P*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'), 10 mM deuterated MES, 50 mM sodium chloride	100% D2O	50 mM	5.5	atmospheric bar	283	Bruker AVANCE III 900

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	900

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure calculation	CYANA	3.98	Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	CARA		Keller and Wuthrich
4	collection	TopSpin		Bruker Biospin