5V16

HnRNP A1 Alters the Conformation of a Conserved Enterovirus IRES Domain to Stimulate Viral Translation

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	180.0 uM Selective Deuteration; EQUIMOLAR MIX:ATP, GTP, CTP, UTP rNTP	100% D2O	10 mM	6.5	ambient	303	Bruker AVANCE 800
2	2D 1H-13C HMQC	300.0 uM [U-13C]-Gua rNTP	100% D2O	10 mM	6.5	ambient	303	Bruker AVANCE 800
3	2D 1H-1H TOCSY	300.0 uM Fully protonated rNTP	100% D2O	10 mM	6.5	ambient	303	Bruker AVANCE 800
4	2D 1H-1H NOESY	100.0 uM Fully protonated rNTP	100% D2O	10 mM	6.5	ambient	303	Bruker AVANCE 900

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	900
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	1024
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	processing	NMRDraw		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	chemical shift assignment	NMRView		Johnson, One Moon Scientific
5	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	refinement	Amber		Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.