6LAG

Solution structure of SPA-2 SHD

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	2 mM [U-13C; U-15N] SHD	90% H2O/10% D2O	10 mM	6.5	1 atm	298	Bruker AVANCE 800
2	3D HNCA	2 mM [U-13C; U-15N] SHD	90% H2O/10% D2O	10 mM	6.5	1 atm	298	Bruker AVANCE 800
3	3D HN(CO)CA	2 mM [U-13C; U-15N] SHD	90% H2O/10% D2O	10 mM	6.5	1 atm	298	Bruker AVANCE 800
4	3D HCCH-TOCSY	2 mM [U-13C; U-15N] SHD	90% H2O/10% D2O	10 mM	6.5	1 atm	298	Bruker AVANCE 800
5	4D NOESY	2 mM [U-13C; U-15N] SHD	90% H2O/10% D2O	10 mM	6.5	1 atm	298	Bruker AVANCE 800

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

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	NMRDraw		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	data analysis	Sparky		Goddard
4	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
5	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore