2KEQ

Solution structure of DnaE intein from Nostoc punctiforme

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 1H-15N NOESY	2 mM [U-20% 13C; U-99% 15N] NpuDnaE-3, 10 mM sodium phosphate-4	90% H2O/10% D2O	0.01	6.0	ambient	298
2	3D 1H-13C NOESY	2 mM [U-99% 13C; U-99% 15N] NpuDnaE-1, 10 mM sodium phosphate-2	90% H2O/10% D2O	0.01	6.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	800
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
molecular dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	3D 1H-15N NOESY and 3D 1H-13C NOESY spectra were recorded with a mixing time of 80 and 70 msec, respectively.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
2	refinement	Amber	8	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, Kollm