1SY8

Structure of DNA sequence d-TGATCA by two-dimensional nuclear magnetic resonance spec and restrained molecular dynamics

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	3.68mM duplex concentration; 20mM phosphate buffer with 15mM NaCl	D2O	20mM Phosphate buffer; 15mM NaCl	7.0	AMBIENT	295
2	DQF-COSY	4.57mM duplex concentration; 20mM phosphate buffer with 15mM NaCl	90% H2O/10% D2O	20mM Phosphate buffer; 15mM NaCl	7.0	AMBIENT	295

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

NMR Refinement
Method	Details	Software
Simulated annealing, molecular dynamics	The structure is based on total 95 intra residue and 26 inter residue NOESY restraints and 12 torsinal angle restraints.	Discover

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry
Conformers Calculated Total Number	25
Conformers Submitted Total Number	10
Representative Model	1 (fewest violations)

Additional NMR Experimental Information
Details	For imino protons 1D water spectra Vs temperature was also done

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Discover	97

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.