6AAS

Solution Structure for helix 45 in 3' end of 12S rRNA

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1H-15N HNN-COSY	1 mM helix45	90% H2O/10% D2O	2 mM	6.5	1 atm	283	Bruker AVANCE 600
2	1H-15N HSQC	1 mM helix45	90% H2O/10% D2O	2 mM	6.5	1 atm	283	Bruker AVANCE 600
3	1H-13C CT-HSQC	1 mM helix45	90% H2O/10% D2O	2 mM	6.5	1 atm	283	Bruker AVANCE 600
4	3D 13C NOESY-HSQC	1 mM helix45	90% H2O/10% D2O	2 mM	6.5	1 atm	283	Bruker AVANCE 600
5	13C HCCH-TOCSY	1 mM helix45	90% H2O/10% D2O	2 mM	6.5	1 atm	283	Bruker AVANCE 600

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

NMR Refinement
Method	Details	Software
simulated annealing		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	160
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

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		Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	Sparky		Goddard
4	peak picking	Sparky		Goddard