1WD2

Solution Structure of the C-terminal RING from a RING-IBR-RING (TRIAD) motif

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	HNCA & HN(CO)CA	1mM RING2, U-15N,13C; 20mM Tris-d11(pH 8.0), 120mM NaCl	90% H2O/10% D2O	120mM NaCl	8.0	ambient	298
2	HNCACB & HN(CO)CACB	1mM RING2, U-15N,13C; 20mM Tris-d11(pH 8.0), 120mM NaCl	90% H2O/10% D2O	120mM NaCl	8.0	ambient	298
3	(H)C(CO)NH-TOCSY	1mM RING2, U-15N,13C; 20mM Tris-d11(pH 8.0), 120mM NaCl	90% H2O/10% D2O	120mM NaCl	8.0	ambient	298
4	H(CCO)NH-TOCSY	1mM RING2, U-15N,13C; 20mM Tris-d11(pH 8.0), 120mM NaCl	90% H2O/10% D2O	120mM NaCl	8.0	ambient	298
5	3D_15N-separated_TOCSY	1mM RING2, U-15N; 20mM Tris-d11(pH 8.0), 120mM NaCl	90% H2O/10% D2O	120mM NaCl	8.0	ambient	298
6	3D_15N-separated_NOESY	1mM RING2, U-15N; 20mM Tris-d11(pH 8.0), 120mM NaCl	90% H2O/10% D2O	120mM NaCl	8.0	ambient	298
7	3D_15N-separated_TOCSY	1mM RING2, U-15N; 20mM Tris-d11(pH 8.0), 120mM NaCl	90% H2O/10% D2O	120mM NaCl	8.0	ambient	298
8	HNHA	1mM RING2, U-15N; 20mM Tris-d11(pH 8.0), 120mM NaCl	90% H2O/10% D2O	120mM NaCl	8.0	ambient	298
9	3D_13C-separated_NOESY	1mM RING2, U-13C; 20mM Tris-d11(pH 8.0), 120mM NaCl	100% D2O	120mM NaCl	8.0	ambient	298
10	3D_13C-separated_HCCH-TOCSY	1mM RING2, U-13C; 20mM Tris-d11(pH 8.0), 120mM NaCl	100% D2O	120mM NaCl	8.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
torsion angle dynamics, followed by simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	6 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	Bruker
2	data analysis	NMRView	3.1.2	Johnson, B.A., Blevins, R.
3	structure solution	CNS	1.1	Brunger, A.T. et al.
4	refinement	CNS	1.1

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.