Experiment: 2MJB

Solution nmr structure of ubiquitin refined against dipolar couplings in 4 media

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N IPAP HSQC	0.5 mM [U-100% 13C; U-100% 15N; U-100% 2H] ubiquitin, 20 mM [U-100% 2H] D4-imidazole, 4.8 mM squalamine, 1.5 mM hexanol, 10 mM sodium phosphate	95% H2O/5% D2O		6.0	ambient	308
2	2D 1H-15N IPAP HSQC	0.5 mM [U-100% 13C; U-100% 15N; U-100% 2H] ubiquitin, 20 mM [U-100% 2H] D4-imidazole, 1.5 mM hexanol, 10 mM sodium phosphate	95% H2O/5% D2O		6.0	ambient	308
3	2D 1H-15N TROSY HSQC	0.5 mM [U-100% 13C; U-100% 15N; U-100% 2H] ubiquitin, 20 mM [U-100% 2H] D4-imidazole, 4.8 mM squalamine, 1.5 mM hexanol, 10 mM sodium phosphate	95% H2O/5% D2O		6.0	ambient	308
4	2D 1H-15N TROSY HSQC	0.5 mM [U-100% 13C; U-100% 15N; U-100% 2H] ubiquitin, 20 mM [U-100% 2H] D4-imidazole, 1.5 mM hexanol, 10 mM sodium phosphate	95% H2O/5% D2O		6.0	ambient	308
5	3D TROSY HNCO	0.5 mM [U-100% 13C; U-100% 15N; U-100% 2H] ubiquitin, 20 mM [U-100% 2H] D4-imidazole, 4.8 mM squalamine, 1.5 mM hexanol, 10 mM sodium phosphate	95% H2O/5% D2O		6.0	ambient	308
6	3D TROSY HNCO	0.5 mM [U-100% 13C; U-100% 15N; U-100% 2H] ubiquitin, 20 mM [U-100% 2H] D4-imidazole, 1.5 mM hexanol, 10 mM sodium phosphate	95% H2O/5% D2O		6.0	ambient	308
7	3D HN(CO)CA 1H-1H decoupled	0.6 mM [U-100% 13C; U-100% 15N] ubiquitin, 13 mg/mL Pf1 phage, 140 mM sodium chloride	95% H2O/5% D2O		6.0	ambient	298
8	1H-15N ARTSY	0.8 mM [U-100% 13C; U-100% 15N; U-100% 2H] ubiquitin, 14 mg/mL Pf1 phage, 150 mM sodium chloride	95% H2O/5% D2O		6.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	600
3	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing	Refinement against residual dipolar couplings in 4 alignment media, distance, dihedral angle, and through-H bond (N/C) J-coupling restraints with hydrogen-bonding database potential starting from the coordinates of 1D3Z entry.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	all calculated structures submitted
Conformers Calculated Total Number	20
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore