1NGO

NMR Structure of Putative 3' Terminator for B. Anthracis pagA Gene Coding Strand

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2mM 110C DNA; 10mM phosphate buffer pH 6.5; 150mM NaCl;	90% H2O/10% D2O	150mM NaCl	6.5	ambient	278
2	2D NOESY	2mM 110C DNA; 10mM phosphate buffer pH 6.5; 150mM NaCl;	100% D2O	150mM NaCl	6.5	ambient	298
3	2D TOCSY	2mM 110C DNA; 10mM phosphate buffer pH 6.5; 150mM NaCl;	100% D2O	150mM NaCl	6.5	ambient	298
4	DQF-COSY	2mM 110C DNA; 10mM phosphate buffer pH 6.5; 150mM NaCl;	100% D2O	150mM NaCl	6.5	ambient	298
5	HMQC	1mM 110C DNA; 10mM phosphate buffer pH 6.5; 150mM NaCl; , 13C8 and 15N6 and 15N9 of A12 and A15	100% D2O	150mM NaCl	6.5	ambient	298

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

NMR Refinement
Method	Details	Software
minimization molecular dynamics	Structure is derived from 191 NOES of which, 25 involve exchangeable protons in the stem, 153 NOEs involve non-exchangeable protons in the stem, 13 NOEs involve non-exchangeable protons in the loop, 50 Distance restraints involve hydrogen bonds, and 44 dihedral angle restraints.	Felix

NMR Ensemble Information
Conformer Selection Criteria	Submitted conformers include average from molecular dynamics and 3 representative diverging structures.
Conformers Calculated Total Number	100
Conformers Submitted Total Number	4
Representative Model	1 (minimized average structure)

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	Felix	98	Biosym
2	structure solution	Amber	4.1	Pearlman, D.A., Case, D.A., Caldwell, J.W., Ross, W.S., Cheatham, T.E., Ferguson, D.M., Seibel, G.L., Singh, U.C., Weiner, P.K., and Kollman, P.A.
3	refinement	Amber	4.1	Pearlman, D.A., Case, D.A., Caldwell, J.W., Ross, W.S., Cheatham, T.E., Ferguson, D.M., Seibel, G.L., Singh, U.C., Weiner, P.K., and Kollman, P.A.

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.