1FW7

NMR STRUCTURE OF 15N-LABELED BARNASE

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	15N-labeled barnase, 1mM	10mM potassium-phosphate buffer in 90% H20/10% D2O	0.04	6.5	1 atm	303
2	HMQC	15N-labeled barnase, 1mM	10mM potassium-phosphate buffer in 90% H20/10% D2O	0.04	6.5	1 atm	303
3	2D NOESY	15N-labeled barnase, 1mM	10mM potassium-phosphate buffer in D2O	0.04	6.5	1 atm	303
4	DQF-COSY	15N-labeled barnase, 1mM	10mM potassium-phosphate buffer in D2O	0.04	6.5	1 atm	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY	600

NMR Refinement
Method	Details	Software
Torsion angle dynamics (DYANA). Newton-Raphson minimization of conformational energy with experimental constraints (FANTOM)		VNMR

NMR Ensemble Information
Conformer Selection Criteria	best target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	5 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1B	Varian
2	processing	VNMR	6.1B	Varian
3	data analysis	XEASY	1.2.11	Bartels et al.
4	structure solution	DYANA	1.5	Guentert et al.
5	refinement	FANTOM	4.0	Schaumann et al.