1NVO

Solution structure of a four-helix bundle model, apo-DF1

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	1.0 mM protein concentration; 90% H2O, 10% DMSO	90% H2O, 10% DMSO		4.0	Ambient	298
2	2D NOESY	1.0 mM protein concentration; 90% H2O, 10% DMSO	90% H2O, 10% DMSO		4.0	Ambient	298
3	DQF-COSY	1.0 mM protein concentration; 90% H2O, 10% DMSO	90% H2O, 10% DMSO		4.0	Ambient	298

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

NMR Refinement
Method	Details	Software
Torsion Angle Dynamics, Simulated Annealing, Energy Restrained Minimization		NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	40
Conformers Submitted Total Number	14
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe		Delaglio et al.
2	structure solution	DYANA	1.5	Guentert et al.
3	refinement	Amber	7.0	Case et al.