1FV7

A TWO B-Z JUNCTION CONTAINING DNA RESOLVES INTO AN ALL RIGHT HANDED DOUBLE HELIX

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2 mM DNA; 0.1 M phosphate Buffer		0.1	7		293
2	P-COSY	2 mM DNA; 0.1 M phosphate Buffer		0.1	7		293
3	TOCSY	2 mM DNA; 0.1 M phosphate Buffer		0.1	7		293

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX	500

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics	the structures are based on a total of 504 restraints, 390 are NOE-derived distance constraints, 104 dihedral angle restraints,36 distance restraints from hydrogen bonds.	Felix

NMR Ensemble Information
Conformer Selection Criteria	lower energy structures, restraints violations, and the average structure
Conformers Calculated Total Number	50
Conformers Submitted Total Number	11
Representative Model	10 (n/a)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	Felix		MSI
2	refinement	CNS		BRUNGER et al., 1998

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.