2MS3

The NMR structure of the rubredoxin domain of the NO Reductase Flavorubredoxin from Escherichia coli

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H COSY	1.1 mM [U-99% 15N] rubredoxin domain of the NO Reductase Flavorubredoxin-1, 100 mM sodium chloride-2, 10 mM potassium phosphate-3, 0.04 % sodium azide-4, 90 % H2O-5, 10 % D2O-6	90% H2O/10% D2O	0.2	7.7	ambient	298
2	2D 1H-1H TOCSY	1.1 mM [U-99% 15N] rubredoxin domain of the NO Reductase Flavorubredoxin-1, 100 mM sodium chloride-2, 10 mM potassium phosphate-3, 0.04 % sodium azide-4, 90 % H2O-5, 10 % D2O-6	90% H2O/10% D2O	0.2	7.7	ambient	298
3	2D 1H-1H NOESY	1.1 mM [U-99% 15N] rubredoxin domain of the NO Reductase Flavorubredoxin-1, 100 mM sodium chloride-2, 10 mM potassium phosphate-3, 0.04 % sodium azide-4, 90 % H2O-5, 10 % D2O-6	90% H2O/10% D2O	0.2	7.7	ambient	298
4	2D 1H-15N HSQC	1.1 mM [U-99% 15N] rubredoxin domain of the NO Reductase Flavorubredoxin-1, 100 mM sodium chloride-2, 10 mM potassium phosphate-3, 0.04 % sodium azide-4, 90 % H2O-5, 10 % D2O-6	90% H2O/10% D2O	0.2	7.7	ambient	298
5	3D 1H-15N TOCSY	1.1 mM [U-99% 15N] rubredoxin domain of the NO Reductase Flavorubredoxin-1, 100 mM sodium chloride-2, 10 mM potassium phosphate-3, 0.04 % sodium azide-4, 90 % H2O-5, 10 % D2O-6	90% H2O/10% D2O	0.2	7.7	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
torsion angle dynamics, simulated annealing		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	TopSpin		Bruker Biospin
3	chemical shift calculation	Sparky	3.111	Goddard
4	data analysis	Sparky	3.111	Goddard
5	structure solution	DYANA		Guntert, Braun and Wuthrich
6	refinement	DYANA		Guntert, Braun and Wuthrich

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.