Experiment: 1SLJ

Solution structure of the S1 domain of RNase E from E. coli

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1.5mM RNase E S1 U-15N,13C; 20mM phosphate buffer; 50mM NaCl; 92% H2O, 8% D2O	92% H2O, 8% D2O	75mM	6.5	ambient	303
2	3D_15N-separated_NOESY	1.5mM RNase E S1 U-15N,13C; 20mM phosphate buffer; 50mM NaCl; 92% H2O, 8% D2O	92% H2O, 8% D2O	75mM	6.5	ambient	303
3	3D_13C_15N/13C-separated_NOESY	1.5mM RNase E S1 U-15N,13C; 20mM phosphate buffer; 50mM NaCl; 92% H2O, 8% D2O	92% H2O, 8% D2O	75mM	6.5	ambient	303
4	3D_13C-separated_NOESY_aromatic	1.5mM RNase E S1 U-15N,13C; 20mM phosphate buffer; 50mM NaCl; 92% H2O, 8% D2O	92% H2O, 8% D2O	75mM	6.5	ambient	303

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

NMR Refinement
Method	Details	Software
simulated annealing	The structures are based on a total of 2884 restraints, including 2113 unambiguous and 597 ambiguous NOE-derived distance constraints, 159 dihedral angle restraints, 15 distance restraints from hydrogen bonds.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	4 (closest to the average)

Additional NMR Experimental Information
Details	A mixing time of 100ms was used.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe		Delaglio
2	data analysis	Sparky		Goddard
3	refinement	ARIA/CNS		Linge