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Solution structure of a self-sacrificing resistance protein, CalC from Micromonospora echinospora

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1mM CalC U-15N,13C; 10mM phosphate buffer, 150 mM NaCl, 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM NaCl	7.3	Ambient	303
2	3D_13C-separated_NOESY	1mM CalC U-15N,13C; 10mM phosphate buffer, 150 mM NaCl, 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM NaCl	7.3	Ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	900
2	Varian	INOVA	800
3	Varian	INOVA	600

NMR Refinement
Method	Details	Software
simulated annealing molecular dynamics	The structures are based on a total of 3042 restraints, 2766 are NOE-derived distance constraints, 176 dihedral angle restraints,100 distance restraints from hydrogen bonds.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	NOESY mixing time = 100 ms

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2.2	F. Delaglio
2	data analysis	NMRView	5.0.4	Johnson, B. A
3	structure solution	CNS	1.1	A.T.Brunger
4	structure solution	ARIA	1.2	Michael Nilges
5	refinement	ARIA	1.2	Michael Nilges