1TLH

T4 AsiA bound to sigma70 region 4

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	0.7 mM protein, phosphate buffered saline, 50 mM sodium azide, 1 mM benzamidine hydrochloride	97% H2O, 3% D2O	150 mM NaCl	7.0	1 atm	312
2	3D_15N-separated_NOESY	0.7 mM protein, phosphate buffered saline, 50 mM sodium azide, 1 mM benzamidine hydrochloride	97% H2O, 3% D2O	150 mM NaCl	7.0	1 atm	312
3	residual dipolar couplings in Pf1 phage at 9 mg/ml	0.7 mM protein, phosphate buffered saline, 50 mM sodium azide, 1 mM benzamidine hydrochloride	97% H2O, 3% D2O	150 mM NaCl	7.0	1 atm	312

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	500
2	Bruker	DMX	600
3	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
dynamical simulated annealing/restrained energy minimization		Xplor-NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Xplor-NIH	2.9.3	Clore and Schweiters
2	data analysis	NMRPipe	2.2	Delaglio