2K1Y

Solution Structure of Duplex DNA Containing the Mutagenic Lesion: 1,N2-Etheno-2'-deoxyguanine

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine	100% D2O	50mM NaCl	6.8	ambient atm	300
2	2D 1H-1H TOCSY	4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine	100% D2O	50mM NaCl	6.8	ambient atm	300
3	2D DQF-COSY	4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine	100% D2O	50mM NaCl	6.8	ambient atm	300
4	2D 1H-1H COSY	4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine	100% D2O	50mM NaCl	6.8	ambient atm	300
5	2D 1H-1H NOESY H2O	4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine	90% H2O/10% D2O	50mM NaCl	6.8	ambient mbar	278
6	1H-32P PHCorr	4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine	100% D2O	50mM NaCl	6.8	ambient atm	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
molecular dynamics	Restrained MD simulation	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	12
Conformers Submitted Total Number	9
Representative Model	1 (minimized average structure)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR	3.85	Brunger
2	processing	Felix		Accelrys Software Inc.
3	chemical shift assignment	Felix		Accelrys Software Inc.
4	collection	VNMR	5.2	Varian
5	refinement	X-PLOR	3.85	Brunger

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.