1I1S

SOLUTION STRUCTURE OF THE TRANSCRIPTIONAL ACTIVATION DOMAIN OF THE BACTERIOPHAGE T4 PROTEIN MOTA

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	2mM MotNF U-15N	200 mM potassium phosphate buffer, pH 6.5; 90% H2O, 10% D2O	200 mM potassium phosphate	6.5	ambient	301
2	3D_13C-separated_NOESY	2mM MotNF U-13C,15N	200 mM potassium phosphate buffer, pH 6.5; 90% H2O, 10% D2O	200 mM potassium phosphate	6.5	ambient	301
3	HNHA	2mM MotNF U-15N	200 mM potassium phosphate buffer, pH 6.5; 90% H2O, 10% D2O	200 mM potassium phosphate	6.5	ambient	301

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

NMR Refinement
Method	Details	Software
simulated annealing, molecular dynamics, torsion angle dynamics	the structures are based on 3186 NOE-derived distance constraints, 64 dihedral angle restraints, 152 distance restraints from hydrogen bonds.	Felix

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	Felix	98	MSI
2	data analysis	Felix	98	MSI
3	structure solution	X-PLOR	98	Brunger
4	refinement	X-PLOR	98	Brunger