2KE7

NMR structure of the first SAM domain from AIDA1

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	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293
2	2D 1H-13C HSQC	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293
3	3D CBCA(CO)NH	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293
4	3D C(CO)NH	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293
5	3D HNCO	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293
6	3D HNCACB	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293
7	3D H(CCO)NH	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293
8	3D 1H-15N NOESY	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293
9	3D 1H-13C NOESY	0.8 mM [U-98% 13C; U-98% 15N] AIDA1 SAM1-1, 10 % D2O-2, 90 % H2O-3, 150 mM sodium chloride-4, 20 mM sodium phosphate-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.8	ambient	293

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	NMRS	600

NMR Refinement
Method	Details	Software
torsion angle dynamics, simulated annealing	5000 steps using CYANA standard torsion angle dynamics, water-refinement using XPLOR-NIH and cartesian dynamics. Specifics: 2000 hot steps at 500 K, 500 cool steps to 100 K final in 100 K increments	X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	25
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using NOE restraints and dihedral angle restraints predicted from chemical shifts

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH	2.21	Schwieters, C.D. et al.
2	peak picking	NMRView	5	Johnson, B. et al.
3	structure solution	CYANA	2.1	Guntert, P. et al.