6XCU

NMR structure of Ost4V23D, a critical mutant of Ost4, in DPC micelles

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	400 uM [U-13C; U-15N] Ost4V23D	90% H2O/10% D2O	50 mM	6.5	1 atm	308	Bruker AVANCE II 800
2	3D HNCACB	400 uM [U-13C; U-15N] Ost4V23D	90% H2O/10% D2O	50 mM	6.5	1 atm	308	Bruker AVANCE II 800
3	3D CBCA(CO)NH	400 uM [U-13C; U-15N] Ost4V23D	90% H2O/10% D2O	50 mM	6.5	1 atm	308	Bruker AVANCE II 800
4	3D H(CCO)NH	400 uM [U-13C; U-15N] Ost4V23D	90% H2O/10% D2O	50 mM	6.5	1 atm	308	Varian INOVA 900
5	3D 1H-15N NOESY	400 uM [U-13C; U-15N] Ost4V23D	90% H2O/10% D2O	50 mM	6.5	1 atm	308	Varian INOVA 900
6	3D 1H-15N TOCSY	400 uM [U-13C; U-15N] Ost4V23D	90% H2O/10% D2O	50 mM	6.5	1 atm	308	Bruker AVANCE II 800
7	3D HNCA	400 uM [U-13C; U-15N] Ost4V23D	90% H2O/10% D2O	50 mM	6.5	1 atm	308	Bruker AVANCE II 800
8	3D HCCH-TOCSY	400 uM [U-13C; U-15N] Ost4V23D	90% H2O/10% D2O	50 mM	6.5	1 atm	308	Bruker AVANCE II 800

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

NMR Refinement
Method	Details	Software
simulated annealing		CNS

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)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
2	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	NMRFAM-SPARKY		Lee, W., Tonelli, M., and Markley, J. L.
4	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax