2RMQ

Solution structure of fully modified 4'-thioDNA with the sequence of d(CGCGAATTCGCG)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D DQF-COSY	0.42mM 4'-thio DNA; 10mM sodium phosphate; 10mM sodium chloride; 0.01mM DSS; 100% D2O	100% D2O	20	6.5	ambient	298
2	2D 1H-1H TOCSY	0.42mM 4'-thio DNA; 10mM sodium phosphate; 10mM sodium chloride; 0.01mM DSS; 100% D2O	100% D2O	20	6.5	ambient	298
3	2D 1H-1H NOESY	0.42mM 4'-thio DNA; 10mM sodium phosphate; 10mM sodium chloride; 0.01mM DSS; 100% D2O	100% D2O	20	6.5	ambient	298
4	2D 1H-1H NOESY	0.42mM 4'-thio DNA; 10mM sodium phosphate; 10mM sodium chloride; 0.01mM DSS; 100% D2O	100% D2O	20	6.5	ambient	298
5	2D 1H-13C HSQC	0.42mM 4'-thio DNA; 10mM sodium phosphate; 10mM sodium chloride; 0.01mM DSS; 100% D2O	100% D2O	20	6.5	ambient	298
6	2D 1H-1H NOESY	0.42mM 4'-thio DNA; 10mM sodium phosphate; 10mM sodium chloride; 0.01mM DSS; 95% H2O, 5% D2O	95% H2O/5% D2O	20	6.5	ambient	278
7	2D 1H-1H NOESY	0.42mM 4'-thio DNA; 10mM sodium phosphate; 10mM sodium chloride; 0.01mM DSS; 95% H2O, 5% D2O	95% H2O/5% D2O	20	6.5	ambient	278
8	2D 1H-13C JR-HMBC	0.42mM 4'-thio DNA; 10mM sodium phosphate; 10mM sodium chloride; 0.01mM DSS; 95% H2O, 5% D2O	95% H2O/5% D2O	20	6.5	ambient	278

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

NMR Refinement
Method	Details	Software
simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	1
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	Bruker Biospin
2	collection	TopSpin	1.0	Bruker Biospin
3	processing	NMRPipe	2.4	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	processing	NMRDraw	2.4	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5	data analysis	Sparky	3.111	Goddard
6	peak picking	Sparky	3.111	Goddard
7	structure solution	CNSSOLVE	1.1	Brunger, Adams, Clore, Gros, Nilges and Read
8	refinement	CNSSOLVE	1.1	Brunger, Adams, Clore, Gros, Nilges and Read

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.