2KH1

2-Hydroxy-7-nitrofluorene covalently linked into a 13mer DNA duplex - solution structure of the face-up orientation

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H COSY	3 mM Strand I-6, 3 mM Strand II-7, 10 mM sodium phosphate-8, 150 mM sodium chloride-9	100% D2O		7	ambient	298
2	2D 1H-1H NOESY	3 mM Strand I-6, 3 mM Strand II-7, 10 mM sodium phosphate-8, 150 mM sodium chloride-9	100% D2O		7	ambient	298
3	2D 1H-1H NOESY	3 mM Strand I-10, 3 mM Strand II-11, 10 mM sodium phosphate-12, 150 mM sodium chloride-13	90% H2O/10% D2O		7	ambient	298
4	2D 1H-13C HSQC	3 mM Strand I-6, 3 mM Strand II-7, 10 mM sodium phosphate-8, 150 mM sodium chloride-9	100% D2O		7	ambient	298
5	2D 1H-13C HSQC_decoupled	3 mM Strand I-6, 3 mM Strand II-7, 10 mM sodium phosphate-8, 150 mM sodium chloride-9	100% D2O		7	ambient	298
6	2D 1H-13C HSQC_decoupled	3 mM Strand I-1, 3 mM Strand II-2, 20 mg/mL Pf1 phage-3, 10 mM sodium phosphate-4, 150 mM sodium chloride-5	100% D2O		7	ambient	298
7	2D 1H-1H TOCSY	3 mM Strand I-6, 3 mM Strand II-7, 10 mM sodium phosphate-8, 150 mM sodium chloride-9	100% D2O		7	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics		Gifa

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	11
Representative Model	1 (minimized average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	Gifa	4	Delsuc
2	geometry optimization	X-PLOR NIH	2.20	Schwieters, Kuszewski, Tjandra and Clore
3	refinement	X-PLOR NIH	2.20	Schwieters, Kuszewski, Tjandra and Clore
4	structure solution	X-PLOR NIH	2.20	Schwieters, Kuszewski, Tjandra and Clore
5	data analysis	CARA	1.8.4	Rochus T. Keller
6	peak picking	CARA	1.8.4	Rochus T. Keller
7	collection	TopSpin	2.1	Bruker Biospin
8	processing	TopSpin	2.1	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.