1PLO

TRANSFORMING GROWTH FACTOR-BETA TYPE II RECEPTOR EXTRACELLULAR DOMAIN

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1mM ecTbR2 U-15N, 25mM sodium acetate, 25mM NaCl, 95% H2O, 5% D2O	95% H2O/5% D2O	25mM sodium acetate, 25mM NaCl, pH 5.5	5.5	ambient	300
2	3D_13C-separated_NOESY	1mM ecTbR2 U-15N, 13C, 25mM sodium acetate, 25mM NaCl	99.99% D2O	25mM sodium acetate, 25mM NaCl	5.1	ambient	300
3	4D_13C-separated_NOESY	1mM ecTbR2 U-15N, 13C, 25mM sodium acetate, 25mM NaCl	99.99% D2O	25mM sodium acetate, 25mM NaCl	5.1	ambient	300
4	3D 15N edited, 13C-edited 1H-1H noesy	1mM ecTbR2 U-15N, 13C, 25mM sodium acetate, 25mM NaCl, 95% H2O, 5% D2O	95% H2O/5% D2O	25mM sodium acetate, 25mM NaCl, pH 5.5	5.5	ambient	300
5	3D 15N-edited,15N-edited 1H-1H noesy	1mM ecTbR2 U-15N, 25mM sodium acetate, 25mM NaCl, 95% H2O, 5% D2O	95% H2O/5% D2O	25mM sodium acetate, 25mM NaCl, pH 5.5	5.5	ambient	300
6	1H-15H 1-bond residual dipolar coupling (2D IPAP-HSQC)	1mM ecTbR2 U-15N, 25mM sodium acetate, 25mM NaCl, 4% (w/v) 1,2-di-O-hexyl-sn-glycero-3-phosphocholine (6-O-PC) and 1,2-di-O-tetradecyl-sn-glycero-3-phosphocholine (14-O-PC) mixed in a molar ratio of 1:3, 95% H2O, 5% D2O	95% H2O/5% D2O	25mM sodium acetate, 25mM NaCl	5.5	ambient	313
7	13C-13CO residual dipolar coupling (3D (HA)CA(CO)NH	1mM ecTbR2 U-15N, 13C, 25mM sodium acetate, 25mM NaCl, 4% (w/v) 1,2-di-O-hexyl-sn-glycero-3-phosphocholine (6-O-PC) and 1,2-di-O-tetradecyl-sn-glycero-3-phosphocholine (14-O-PC) mixed in a molar ratio of 1:3, 95% H2O, 5% D2O	95% H2O/5% D2O	25mM sodium acetate, 25mM NaCl	5.5	ambient	313
8	13Calpha-13CO residual dipolar coupling (3D Ca-coupled HNCO)	1mM ecTbR2 U-15N, 13C, 25mM sodium acetate, 25mM NaCl, 4% (w/v) 1,2-di-O-hexyl-sn-glycero-3-phosphocholine (6-O-PC) and 1,2-di-O-tetradecyl-sn-glycero-3-phosphocholine (14-O-PC) mixed in a molar ratio of 1:3, 95% H2O, 5% D2O	95% H2O/5% D2O	25mM sodium acetate, 25mM NaCl	5.5	ambient	313

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

NMR Refinement
Method	Details	Software
substructure distance geometry, full structure distance geometry-simulated annealing; torsion angle dynamics	structures are based on a total of 1583 constraints, 1168 are NOE distance, 138 are dihedredral angle, 58 are 3JHNHa coupling constant, 219 are residual dipolar couplings,	XPLOR_NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry, structures with favorable non-bond energy, structures with the least restraint violations, structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	10
Representative Model	1 (fewest violations, lowest energy)

Additional NMR Experimental Information
Details	This structure was determined by refining simultaneously against NOE, J-coupling, dihedral angle, and residual dipolar coupling constraints

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	XPLOR_NIH	1.06	Clore, G.M., Kuszewski, J., Schwieters, C.D., Tjandra, N.