8RJX

Solution structure of osmoregulator OsmY from E. coli.

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 1H-13C NOESY aliphatic	0.73 mM [U-100% 13C; U-100% 15N] Osmotically-inducible protein Y (OsmY), 50 mM NA KPi, 100 mM NA NaCl	90% H2O/10% D2O	100	7.4	1 atm	298	Bruker AVANCE III HD 900
2	3D 1H-15N NOESY	0.73 mM [U-100% 13C; U-100% 15N] Osmotically-inducible protein Y (OsmY), 50 mM NA KPi, 100 mM NA NaCl	90% H2O/10% D2O	100	7.4	1 atm	298	Bruker AVANCE III HD 900
3	3D HNCA	0.73 mM [U-100% 13C; U-100% 15N] Osmotically-inducible protein Y (OsmY), 50 mM NA KPi, 100 mM NA NaCl	90% H2O/10% D2O	100	7.4	1 atm	298	Bruker AVANCE III 600
4	3D HNCACB	0.73 mM [U-100% 13C; U-100% 15N] Osmotically-inducible protein Y (OsmY), 50 mM NA KPi, 100 mM NA NaCl	90% H2O/10% D2O	100	7.4	1 atm	298	Bruker AVANCE III 600
5	3D CBCA(CO)NH	0.73 mM [U-100% 13C; U-100% 15N] Osmotically-inducible protein Y (OsmY), 50 mM NA KPi, 100 mM NA NaCl	90% H2O/10% D2O	100	7.4	1 atm	298	Bruker AVANCE III 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III HD	900
2	Bruker	AVANCE III	600

NMR Refinement
Method	Details	Software
molecular dynamics	explicit solvent	CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (closest to mean)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	NMRFAM-SPARKY		Lee, W.
2	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
3	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read