2MJ6

Solution structure of the extracellular sensor domain of DraK histidine kinase

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-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298
2	3D HNCO	0.8 mM [U-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298
3	3D HNCA	0.8 mM [U-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298
4	3D CBCA(CO)NH	0.8 mM [U-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298
5	3D HNCACB	0.8 mM [U-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298
6	3D HBHA(CO)NH	0.8 mM [U-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298
7	3D 1H-13C NOESY	0.8 mM [U-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298
8	3D 1H-15N NOESY	0.8 mM [U-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298
9	3D HCCH-TOCSY	0.8 mM [U-13C; U-15N] DraK-1	90% H2O/10% D2O	0.05	4.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	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	20
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	CYANA		Guntert, Mumenthaler and Wuthrich
2	refinement	Amber