Experiment: 5N8M

Structure of TRBP dsRBD 1 and 2 in complex with a 19 bp siRNA (Complex A)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HNCACB	1 mM [U-100% 13C; U-100% 15N; U-80% 2H] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 750
2	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N; U-80% 2H] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 600
3	hCccoNH	1 mM [U-100% 13C; U-100% 15N; U-80% 2H] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 750
4	3D 1H-13C NOESY aliphatic	1 mM [U-100% 13C; U-100% 15N; U-80% 2H] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 900
5	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N; U-80% 2H] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 900
6	3D HCCH-TOCSY	1 mM [U-100% 13C; U-100% 15N] dsRBD2, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 500
7	3D 1H-13C NOESY aliphatic	1 mM [U-100% 13C; U-100% 15N] dsRBD2, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 900
8	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] dsRBD2, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 900
9	3D HNCA	1 mM [U-100% 13C; U-100% 15N] dsRBD2, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 750
12	3D f1-13C-filtered, f2-13C-edited NOESY aliphatic-HMQC	1 mM [U-100% 13C; U-100% 15N; U-80% 2H] dsRBD12, 1 mM EL86	100% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 600
11	TROSY IPAP	1 mM [U-100% 13C; U-100% 15N; U-80% 2H] dsRBD12, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 750
10	TROSY IPAP	1 mM [U-100% 13C; U-100% 15N; U-80% 2H] dsRBD12, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AVANCE III 750

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

NMR Refinement
Method	Details	Software
simulated annealing		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	30
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber	12	Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
2	structure calculation	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	Sparky		Goddard
4	collection	TopSpin	3.0	Bruker Biospin