2M6O

The actinobacterial transcription factor RbpA binds to the principal sigma subunit of RNA polymerase

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310
2	3D HNCO	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310
3	3D HNCA	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310
4	3D HNCACB	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310
5	3D CBCA(CO)NH	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310
6	3D HBHA(CO)NH	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310
7	3D 1H-13C NOESY	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310
8	3D 1H-15N NOESY	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310
9	3D HCCH-TOCSY	3 mM beta-mercaptoethanol, 500 mM sodium chloride, 20 mM TRIS	90% H2O/10% D2O	0.5	7.5	ambient	310

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing, distance geometry		ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	ARIA		Linge, O'Donoghue and Nilges
2	refinement	ARIA		Linge, O'Donoghue and Nilges