2MF1

Structural basis of the non-coding RNA RsmZ acting as protein sponge: Conformer R of RsmZ(1-72)/RsmE(dimer) 1to3 complex

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.2 mM [U-13C; U-15N], segmentally labeled RNA (1-16 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
2	2D 1H-15N HSQC	0.2 mM [U-13C; U-15N], segmentally labeled RNA (17-40 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
3	2D 1H-15N HSQC	0.2 mM [U-13C; U-15N], segmentally labeled RNA (41-58 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
4	2D 1H-15N HSQC	0.2 mM [U-13C; U-15N], segmentally labeled RNA (59-72 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
5	2D 1H-15N HSQC	0.2 mM [U-13C; U-15N], segmentally labeled RNA (36-44 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
6	2D 1H-13C TROSY	0.2 mM [U-13C; U-15N], segmentally labeled RNA (1-16 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
7	2D 1H-13C TROSY	0.2 mM [U-13C; U-15N], segmentally labeled RNA (17-40 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
8	2D 1H-13C TROSY	0.2 mM [U-13C; U-15N], segmentally labeled RNA (41-58 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
9	2D 1H-13C TROSY	0.2 mM [U-13C; U-15N], segmentally labeled RNA (59-72 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
10	2D 1H-13C TROSY	0.2 mM [U-13C; U-15N], segmentally labeled RNA (36-44 LABELED), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313
11	2D 1H-15N HSQC	0.2 mM RNA (72-MER), 1.2 mM [U-100% 15N; U-80% 2H] RsmE, 0.03 mM sodium chloride, 0.05 mM potassium phosphate	95% H2O/5% D2O	0.18	7.2	ambient	313

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	600
3	Bruker	AVANCE	700
4	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	2500
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
2	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo and Kollman
3	processing	TopSpin		Bruker Biospin
4	data analysis	Sparky		Goddard

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.