2RU6

The pure alternative state of ubiquitin

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	20 mM [U-100% 2H] Tris(hydroxymethyl)aminomethane-1, 2 mM [U-100% 13C; U-100% 15N] ubiquitin-2, 0.2 mM DSS-3	88% H2O/12% D2O	20	7.2	250 0	298
2	2D 1H-13C HSQC aliphatic	20 mM [U-100% 2H] Tris(hydroxymethyl)aminomethane-1, 2 mM [U-100% 13C; U-100% 15N] ubiquitin-2, 0.2 mM DSS-3	88% H2O/12% D2O	20	7.2	250 0	298
3	2D 1H-13C HSQC aromatic	20 mM [U-100% 2H] Tris(hydroxymethyl)aminomethane-1, 2 mM [U-100% 13C; U-100% 15N] ubiquitin-2, 0.2 mM DSS-3	88% H2O/12% D2O	20	7.2	250 0	298
4	2D HNCO	20 mM [U-100% 2H] Tris(hydroxymethyl)aminomethane-1, 2 mM [U-100% 13C; U-100% 15N] ubiquitin-2, 0.2 mM DSS-3	88% H2O/12% D2O	20	7.2	250 0	298
5	3D 1H-13C/15N simultaneous evolutio NOESY HSQC	20 mM [U-100% 2H] Tris(hydroxymethyl)aminomethane-1, 2 mM [U-100% 13C; U-100% 15N] ubiquitin-2, 0.2 mM DSS-3	88% H2O/12% D2O	20	7.2	250 0	298

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

NMR Refinement
Method	Details	Software
torsion angle dynamics, Energy minimization		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	CYANA	3.93	Guntert, Mumenthaler and Wuthrich
2	refinement	Amber	11	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman
3	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	peak picking	NMRView		Johnson, One Moon Scientific
5	refinement	CYANA_3.93