1SNH

Solution structure of the DNA Decamer Duplex Containing Double TG Mismatches of Cis-syn Cyclobutane Pyrimidine Dimer

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1mM CPD/GG duplex, nonlabeled, 20mM phosphate buffer, 100mM NaCl	90% H2O, 10% D20	100mM NaCl	7.0	ambient	274
2	2D TOCSY	1mM CPD/GG duplex, nonlabeled, 20mM phosphate buffer, 100mM NaCl	100% D2O	100mM NaCl	7.0	ambient	290
3	DQF-COSY	1mM CPD/GG duplex, nonlabeled, 20mM phosphate buffer, 100mM NaCl	100% D2O	100mM NaCl	7.0	ambient	290
4	2D NOESY	1mM CPD/GG duplex, nonlabeled, 20mM phosphate buffer, 100mM NaCl	90% H2O, 10% D20	100mM NaCl	7.0	ambient	290
5	Natural Abundance 1H-13C HSQC	1mM CPD/GG duplex, nonlabeled, 20mM phosphate buffer, 100mM NaCl	100% D2O	100mM NaCl	7.0	ambient	298

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

NMR Refinement
Method	Details	Software
simulated annealing	the structures are based on a 500 NOE-derived distance constraints, 112 dihedral angle restraints, 13 residual dipolar coupling restraints	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations, structures with the lowest energy
Conformers Calculated Total Number	40
Conformers Submitted Total Number	12
Representative Model	4 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2.1	F. Delaglio, S. Grzesiek, G. W. Vuister, G. Zhu, J. Pfeifer and A. Bax
2	collection	VNMR	6.1	Varian, Inc.
3	refinement	XPLOR-NIH	2.9.4a	G. Marius Clore , John Kuszewski, Charles D. Schwieters, and Nico Tjandra
4	structure solution	X-PLOR	3.1	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.