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Solution structure of the honey bee general odorant binding protein ASP2 in complex with trimethylsilyl-d4 propionate

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	1mM ASP2 U-15N; 30mM TSP; 0.1mM sodium azide; 100mM sodium phosphate buffer	90% H2O/10% D2O		6	ambient	308
2	3D_13C-separated_NOESY	1mM ASP2 U-15N,U-13C; 30mM TSP; 0.1mM sodium azide; 100mM sodium phosphate buffer	100% D2O		8	ambient	308
3	2D NOESY	1mM ASP2 unlabelled; 30mM TSP; 0.1mM sodium azide; 100mM sodium phosphate buffer	100% D2O		6	ambient	308
4	HNHA	1mM ASP2 U-15N; 30mM TSP; 0.1mM sodium azide; 100mM sodium phosphate buffer	90% H2O/10% D2O		6	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker		800

NMR Refinement
Method	Details	Software
automatic NOE assignment using ARIA combined with CNS	the structures are based on a total of 2471 restraints, 2348 are NOE-derived distance constraints, 86 dihedral angle restraints, 37 distance restraints from hydrogen bonds.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	17
Representative Model	1 (see article)

Additional NMR Experimental Information
Details	The structure was determined using classical triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	NMRPipe	2.1	Delaglio
3	data analysis	NMRView	5.0.4	Johnson
4	structure solution	CNS	1.1	Brunger
5	structure solution	ARIA	1.2	Linge, Nilges
6	refinement	ARIA	1.2	Linge, Nilges