Experiment: 1POQ

Solution Structure of a Superantigen from Yersinia pseudotuberculosis

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.5mM YPM protein (33-151), 95% H2O, 5% D2O	95% H2O/5% D2O		6.5	ambient	298
2	2D TOCSY	0.5mM YPM protein (33-151), 95% H2O, 5% D2O	95% H2O/5% D2O		6.5	ambient	298
3	DQF-COSY	0.5mM YPM protein (33-151), 95% H2O, 5% D2O	95% H2O/5% D2O		6.5	ambient	298
4	HNHA	0.5mM YPM protein (33-151), 95% H2O, 5% D2O	95% H2O/5% D2O		6.5	ambient	298
5	HN(CO)CA	0.5mM YPM protein (33-151), 95% H2O, 5% D2O	95% H2O/5% D2O		6.5	ambient	298
6	HNCA	0.5mM YPM protein (33-151), 95% H2O, 5% D2O	95% H2O/5% D2O		6.5	ambient	298
7	CBCA(CO)NH	0.5mM YPM protein (33-151), 95% H2O, 5% D2O	95% H2O/5% D2O		6.5	ambient	298
8	HNCACB	0.5mM YPM protein (33-151), 95% H2O, 5% D2O	95% H2O/5% D2O		6.5	ambient	298

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

NMR Refinement
Method	Details	Software
simulated annealing, molecular dynamics, torsion angle dynamics	Final structures were based on 1934 unambiguous NOE-derived distance constraints, 139 ambiguous constraints, 135 dihedral angle restraints and 26 hydrogen bond distance restraints.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear and triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	XwinNMR	2.6	Bruker
2	data analysis	XEASY	1.3.13	Bartels et al
3	refinement	DYANA	1.5	Guntert et al
4	structure solution	ARIA	1.1.2	Linge et al