1T4L

Solution structure of double-stranded RNA binding domain of S. cerevisiae RNase III (Rnt1p) in complex with the 5' terminal RNA hairpin of snR47 precursor

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	15N-labeled Rnt1p dsRBD/unlabeled snR47h	95% H2O/5% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303
2	2D TOCSY	unlabeled Rnt1p dsRBD/unlabeled snR47h	99.999% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303
3	3D CBCA(CO)NH	uniformally 13C,15N-labeled Rnt1p dsRBD/unlabeled snR47h	95% H2O/5% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303
4	3D CBCANH	uniformally 13C,15N-labeled Rnt1p dsRBD/unlabeled snR47h	95% H2O/5% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303
5	3D HBHA(CO)NH	uniformally 13C,15N-labeled Rnt1p dsRBD/unlabeled snR47h	95% H2O/5% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303
6	3D 15N-NOESY-HSQC	uniformally 13C,15N-labeled Rnt1p dsRBD/unlabeled snR47h	95% H2O/5% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303
7	3D 13C-NOESY-HMQC	uniformally 13C,15N-labeled Rnt1p dsRBD/unlabeled snR47h	99.999% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303
8	2D 13C-filtered/edited NOESY	unlabeled Rnt1p dsRBD/13C,15N-A,U,G,C-slectively labeled snR47h snR47h	99.999% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303
9	3D HCCH-TOCSY	unlabeled Rnt1p dsRBD/uniformally 13C,15N-labeled snR47h snR47h	99.999% D2O	20mM NaPi, 150 mM NaCl	6.5	ambient	303

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

NMR Refinement
Method	Details	Software
simulated annealing	2359 distance restraints 225 dihedral restraints 43 residual dipolar couplings	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	15

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	NIH	Brunger
2	data analysis	Felix	2000	Moleular Simulation Inc.
3	collection	XwinNMR	2.6	Bruker