2MT3

Structure of -24 DNA binding domain of sigma 54 from E.coli

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	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
2	3D CBCA(CO)NH	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
3	3D C(CO)NH	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
4	3D HNCA	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
5	3D HNCACB	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
6	3D H(CCO)NH	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
7	3D HCCH-TOCSY	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
8	3D HNHA	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
9	3D 1H-15N NOESY	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
10	3D 1H-15N TOCSY	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
11	3D 1H-13C NOESY aliphatic	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
12	3D HCCH-COSY	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
13	3D HCACO	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298
14	3D HNCO	20 mM sodium phosphate, 200 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	0.2	6.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	800
2	Bruker	DRX	500

NMR Refinement
Method	Details	Software
na		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)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
2	refinement	CYANA