5O1T

Solution structure of the RNA binding domain of Nrd1

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	600 uM [U-100% 13C; U-100% 15N] Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 600
2	2D 1H-13C HSQC	600 uM [U-100% 13C; U-100% 15N] Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 600
3	3D HNCA	600 uM [U-100% 13C; U-100% 15N] Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800
4	3D HNCO	600 uM [U-100% 13C; U-100% 15N] Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800
5	3D CBCA(CO)NH	600 uM [U-100% 13C; U-100% 15N] Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800
6	3D HCCH-TOCSY	600 uM [U-100% 13C; U-100% 15N] Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800
7	2D 1H-1H NOESY	800 uM Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800
13	3D 1H-15N NOESY	600 uM [U-100% 13C; U-100% 15N] Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800
14	2D 1H-1H NOESY F1filtered	400 uM [U-100% 13C; U-100% 15N] expect for Phe and Leu residues Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800
15	2D 1H-1H NOESY F1filtered	400 uM [U-100% 13C; U-100% 15N] expect for Ile residues Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800
16	2D 1H-1H NOESY F1filtered	400 uM [U-100% 13C; U-100% 15N] expect for Arg residues Nrd1, 25 mM potassium phosphate, 25 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	59.1 mM	6.5	1 atm	298	Bruker AVANCE 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
Minimization		Amber

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (medoid)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	chemical shift assignment	CcpNmr Analysis		CCPN
4	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
5	refinement	Amber		Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman