2MMH

Unphosphorylated Mengovirus Leader Protein: NMR Studies of the Phosphorylation of the Mengovirus Leader Protein Reveal Stabilization of Intermolecular Domain Interactions

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
2	2D 1H-13C HSQC	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
3	3D HCCH-TOCSY	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
4	3D CBCA(CO)NH	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
5	3D HNCACB	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
6	3D C(CO)NH	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
7	3D H(CCO)NH	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
8	3D 1H-15N NOESY	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
9	3D 1H-13C NOESY	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298
10	1D 31P	0.5 mM [U-100% 13C; U-100% 15N] L Mengo, 20 mM HEPES, 100 mM potassium chloride, 2 mM magnesium chloride, 2 mM DTT, 0.04% sodium azide	90% H2O/10% D2O	102	7.4	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
torsion angle dynamics		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	processing	NMRDraw		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	geometry optimization	TALOS		Cornilescu, Delaglio and Bax
5	geometry optimization	SPARTA+		Shen and Bax
6	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
7	peak picking	Sparky		Goddard
8	peak picking	CARA		Wuthrich
9	refinement	CYANA		Guntert, Mumenthaler 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.