2ADB

Solution structure of Polypyrimidine Tract Binding protein RBD2 complexed with CUCUCU RNA

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.5mM PTB RBD2 15N; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl	100% D2O	30mM	5.50	ambient	313
2	2D TOCSY	1.5mM PTB RBD2 15N; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl	100% D2O	30mM	5.50	ambient	313
3	3D_13C-separated_NOESY	1.5mM PTB RBD2 15N, 13C; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl	90% H2O/10% D2O	30mM	5.50	ambient	313
4	3D_15N-separated_NOESY	1.5mM PTB RBD2 15N; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl	90% H2O/10% D2O	30mM	5.50	ambient	313

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DRX	600
3	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
distance geometry simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	40
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	Bruker
2	data analysis	Sparky	3.0	Goddard
3	structure solution	DYANA	3.02	Guentert
4	refinement	Amber	7	Case

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.