Experiment: 22KA

1H, 13C, and 15N resonance assignments and solution structure of the first double strand RNA binding domain of DExH-Box Helicase30 (DHX30)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C,15N SEPARATED NOESY	1.0 mM [U-99% 13C; U-99% 15N] the first double strand RNA binding domain of human DHX30, 100 mM None NaCl, 1 mM [U-99% 2H] d-DTT, 20 mM [U-99% 2H] d-Tris HCl, 0.02 % w/v None NaN3	90% H2O/10% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE 800
2	CBCACONH	1.0 mM [U-99% 13C; U-99% 15N] the first double strand RNA binding domain of human DHX30, 100 mM None NaCl, 1 mM [U-99% 2H] d-DTT, 20 mM [U-99% 2H] d-Tris HCl, 0.02 % w/v None NaN3	90% H2O/10% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE 700
3	HNCACB	1.0 mM [U-99% 13C; U-99% 15N] the first double strand RNA binding domain of human DHX30, 100 mM None NaCl, 1 mM [U-99% 2H] d-DTT, 20 mM [U-99% 2H] d-Tris HCl, 0.02 % w/v None NaN3	90% H2O/10% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE 700
4	3D HCCH-COSY	1.0 mM [U-99% 13C; U-99% 15N] the first double strand RNA binding domain of human DHX30, 100 mM None NaCl, 1 mM [U-99% 2H] d-DTT, 20 mM [U-99% 2H] d-Tris HCl, 0.02 % w/v None NaN3	90% H2O/10% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE 700
5	3D HCCH-TOCSY	1.0 mM [U-99% 13C; U-99% 15N] the first double strand RNA binding domain of human DHX30, 100 mM None NaCl, 1 mM [U-99% 2H] d-DTT, 20 mM [U-99% 2H] d-Tris HCl, 0.02 % w/v None NaN3	90% H2O/10% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	700
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with favorable non-bond energy
Conformers Calculated Total Number	400
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	KUJIRA	0.863	Kobayashi N, Kigawa T, Yokoyama S.
2	structure calculation	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
3	refinement	Amber	24	Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
4	peak picking	MagRO-NMRView	1.2.38	Kobayashi N
5	geometry optimization	TALOS		Cornilescu, Delaglio and Bax
6	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax