2K29

Structure of the DBD domain of E. coli antitoxin RelB

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	90% H2O/10% D2O	0.12	7.0	1 atm	303
2	3D HNCACB	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	90% H2O/10% D2O	0.12	7.0	1 atm	303
3	3D CBCA(CO)NH	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	90% H2O/10% D2O	0.12	7.0	1 atm	303
4	3D C(CO)NH	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	90% H2O/10% D2O	0.12	7.0	1 atm	303
5	3D H(CCO)NH	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	90% H2O/10% D2O	0.12	7.0	1 atm	303
6	3D HNCO	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	90% H2O/10% D2O	0.12	7.0	1 atm	303
7	2D 1H-13C HSQC	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	100% D2O	0.12	7.0	1 atm	303
8	3D HCCH-TOCSY	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	100% D2O	0.12	7.0	1 atm	303
9	3D 1H-15N NOESY	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	90% H2O/10% D2O	0.12	7.0	1 atm	303
10	3D 1H-13C NOESY	0.5-1.0 mM [U-100% 13C; U-100% 15N] RelBN, 20 mM sodium phosphate, 100 mM sodium chloride, 1 mM DTT, 1 uM sodium azide	90% H2O/10% D2O	0.12	7.0	1 atm	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	500

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

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)

Additional NMR Experimental Information
Details	The structure was determined using a combination of NOE and residual dipolar coupling data.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
2	refinement	CNS	1.1	Brunger, Adams, Clore, Gros, Nilges and Read
3	collection	VNMR	6.1C	Varian
4	chemical shift assignment	XEASY		Bartels et al.