2MAP

Solution structure of the complex formed by the region 2 of E. coli sigmaE and its cognate -10 promoter element non template strand TGTCAAA.

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
2	2D 1H-13C HSQC	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
3	2D 1H-13C HSQC aromatic	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
4	3D HNCACB	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
5	3D CBCA(CO)NH	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
6	3D HNCO	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
7	3D HNCA	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
8	3D HN(CO)CA	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
9	3D HCCH-TOCSY	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
10	3D 1H-15N NOESY	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
11	3D 1H-13C NOESY aliphatic	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
12	3D 1H-13C NOESY aromatic	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	90% H2O/10% D2O	0.07	6.5	ambient	303
13	2D NOESY 1H-1H F1F2F	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	100% D2O	0.07	6.5	ambient	303
14	2D NOESY 1H-1H F2F	0.8 mM [U-100% 13C; U-100% 15N] protein_1, 0.8 mM protein_2	100% D2O	0.07	6.5	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	700
3	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
simulated annealing		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	30
Conformers Submitted Total Number	18
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	3.0	Bruker Biospin
2	structure solution	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
3	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo and Kollman
4	chemical shift assignment	CARA		Keller and Wuthrich
5	data analysis	CARA		Keller and Wuthrich

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.