7POF

Structural effects of m6A modification of the Xist A repeat AUCG tetraloop and its recognition by YTHDC1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
3	2D 1H-1H NOESY	25 mM sodium chloride, 25 mM sodium phosphate	95% H2O/5% D2O	25 mM	6.5	1 atm	298	Bruker AVANCE III 900
1	2D 1H-1H NOESY	25 mM sodium chloride, 25 mM sodium phosphate	100% D2O	25 mM	6.5	1 atm	298	Bruker AVANCE III 900
2	2D 1H-1H TOCSY	25 mM sodium chloride, 25 mM sodium phosphate	100% D2O	25 mM	6.5	1 atm	298	Bruker AVANCE III 950
4	2D HNN COSY	25 mM sodium chloride, 25 mM sodium phosphate	100% D2O	25 mM	6.5	1 atm	298	Bruker AVANCE III 950
5	3D 1H-13C NOESY HMQC	25 mM sodium chloride, 25 mM sodium phosphate	100% D2O	25 mM	6.5	1 atm	298	Bruker AVANCE III 900
6	2D 1H-13C HMQC	25 mM sodium chloride, 25 mM sodium phosphate	100% D2O	25 mM	6.5	1 atm	298	Bruker AVANCE III 900

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	950
2	Bruker	AVANCE III	900

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	CcpNmr Analysis	2.4	CCPN
2	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
3	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
4	processing	TopSpin	3.5 pl6	Bruker Biospin

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.