2MDR

Solution structure of the third double-stranded RNA-binding domain (dsRBD3) of human adenosine-deaminase ADAR1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.7-0.9 mM [U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
2	2D 1H-13C HSQC aliphatic	0.7-0.9 mM [U-99% 13C; U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
3	2D 1H-13C HSQC aliphatic	0.7-0.9 mM [U-99% 13C; U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	100% D2O	120	7.0	ambient	313.0
4	3D HNCA	0.7-0.9 mM [U-99% 13C; U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
5	3D CBCA(CO)NH	0.7-0.9 mM [U-99% 13C; U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
6	3D HNCACB	0.7-0.9 mM [U-99% 13C; U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
7	3D HCCH-TOCSY	0.7-0.9 mM [U-99% 13C; U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	100% D2O	120	7.0	ambient	313.0
8	2D 1H-1H NOESY	0.7-0.9 mM dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
9	2D 1H-1H TOCSY	0.7-0.9 mM dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
10	3D 1H-15N NOESY	0.7-0.9 mM [U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
11	3D 1H-13C NOESY aliphatic	0.7-0.9 mM [U-99% 13C; U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
12	3D 1H-13C NOESY aromatic	0.7-0.9 mM [U-99% 13C; U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
13	15N{1H}-HeteroNOE	0.7-0.9 mM [U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0
14	long-range 2D 1H-15N HSQC	0.7-0.9 mM [U-99% 15N] dsRBD3, 20 mM sodium phosphate, 100 mM potassium chloride, 1 mM DTT	90% H2O/10% D2O	120	7.0	ambient	313.0

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	600
3	Bruker	AVANCE	700
4	Bruker	AVANCE	750
5	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
simulated annealing		TopSpin

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	collection	TopSpin	3.0	Bruker Biospin
2	processing	TopSpin	3.0	Bruker Biospin
3	data analysis	Sparky		Goddard
4	chemical shift assignment	Sparky		Goddard
5	peak picking	Sparky		Goddard
6	peak picking	ATNOS		Herrmann, Guntert and Wuthrich
7	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
8	refinement	CNS	1.21	Brunger, Adams, Clore, Gros, Nilges and Read
9	structure validation	ProcheckNMR		Laskowski and MacArthur
10	structure validation	CING		Nabuurs, Spronk, Krieger, Maassen, Vriend and Vuister

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.