5N8L

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

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
4	3D HNCACB	1 mM [U-100% 13C; U-100% 15N] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AvanceIII 750
5	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AvanceIII 600
1	hCccoNH	1 mM [U-100% 13C; U-100% 15N] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AvanceIII 750
2	3D 1H-13C NOESY aliphatic	1 mM [U-100% 13C; U-100% 15N] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AvanceIII 900
3	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] dsRBD1, 1 mM EL86	90% H2O/10% D2O	20 mM	6.5	AMBIENT atm	313	Bruker AvanceIII 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 AvanceIII 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 AvanceIII 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 AvanceIII 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 AvanceIII 750
10	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 AvanceIII 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 AvanceIII 750
12	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 AvanceIII 750

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AvanceIII	750
2	Bruker	AvanceIII	900
3	Bruker	AvanceIII	600
4	Bruker	AvanceIII	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)

Additional NMR Experimental Information
Details	NULL

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

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.