1IOX

NMR Structure of human Betacellulin-2

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2.0mM Betacellulin-2, 1.0% acetate buffer, 90% H2O, 10% D2O	90% H2O/10% D2O	0.28	3.5	1 atm	298
2	DQF-COSY	2.0mM Betacellulin-2, 1.0% acetate buffer, 90% H2O, 10% D2O	90% H2O/10% D2O	0.28	3.5	1 atm	298
3	2D TOCSY	2.0mM Betacellulin-2, 1.0% acetate buffer, 90% H2O, 10% D2O	90% H2O/10% D2O	0.28	3.5	1 atm	298
4	2D NOESY	2.0mM Betacellulin-2, 1.0% acetate buffer	100% D2O	0.28	3.5	1 atm	298
5	DQF-COSY	2.0mM Betacellulin-2, 1.0% acetate buffer	100% D2O	0.28	3.5	1 atm	298
6	2D TOCSY	2.0mM Betacellulin-2, 1.0% acetate buffer	100% D2O	0.28	3.5	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	500

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	the structures are based on a total of 538 restraints, 461 are NOE-derived distance constraints, 41 dihedral angle restraints,36 distance restraints from hydrogen bonds.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	40

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR	3.1	Brunger
2	refinement	X-PLOR	3.1	Brunger