2AIV

Multiple conformations in the ligand-binding site of the yeast nuclear pore targeting domain of NUP116P

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.5-1mM Nup116p U-15N,13C	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT, 90% H2O, 10% D2O	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT	6.5	1 atm	293
2	2D TOCSY	0.5-1mM Nup116p U-15N,13C	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT, 90% H2O, 10% D2O	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT	6.5	1 atm	293
3	3D_13C-separated_NOESY	0.5-1mM Nup116p U-15N,13C	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT, 90% H2O, 10% D2O	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT	6.5	1 atm	293
4	3D_15N-separated_NOESY	0.5-1mM Nup116p U-15N,13C	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT, 90% H2O, 10% D2O	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT	6.5	1 atm	293
5		0.5-1mM Nup116p U-15N,13C	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT, 90% H2O, 10% D2O	100mM sodium-potassium phosphate pH 6.5, 50mM NaCl, 1mM DTT	6.5	1 atm	293

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DRX	600
3	Varian	UNITYPLUS	750
4	Varian	INOVA	500
5	Varian	UNITYPLUS	400
6	Varian	INOVA	600

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS	1.1	Brunger, A.
2	structure solution	DYANA	1.0	Guentert, P.
3	processing	NMRPipe	July 2004 version	Delaglio, F.
4	refinement	DYANA	1.0	Guentert, P.