2K9L

Structure of the Core Binding Domain of sigma54

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	1 mM [U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
2	2D 1H-13C HSQC	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
3	3D HNCACB	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
4	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
5	3D HNCA	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
6	3D H(CCO)NH	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
7	3D C(CO)NH	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
8	3D HBHA(CO)NH	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
9	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
10	3D HCCH-TOCSY	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303
11	3D 1H-13C NOESY	1 mM [U-100% 13C; U-100% 15N] RNAP	90% H2O/10% D2O	100	7		303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	800
2	Bruker	DRX	900
3	Bruker	DRX	600

NMR Refinement
Method	Details	Software
torsion angle dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
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		Guntert, Mumenthaler and Wuthrich
3	processing	NMRPipe	2.4	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	chemical shift assignment	Sparky	3.114	Goddard
5	data analysis	Sparky	3.114	Goddard