1HZ2

SOLUTION NMR STRUCTURE OF SELF-COMPLEMENTARY DUPLEX 5'-D(AGGCG*CCT)2 CONTAINING A TRIMETHYLENE CROSSLINK AT THE N2 POSITION OF G*. MODEL OF A MALONDIALDEHYDE CROSSLINK

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2 mM crosslinked duplex, 10 mM sodium phosphate buffer, 0.1 M NaCl, 50 mM EDTA, pH 7.1	99.99% D2O		7.1	ambient	303
2	DQF-COSY	2 mM crosslinked duplex, 10 mM sodium phosphate buffer, 0.1 M NaCl, 50 mM EDTA, pH 7.1	99.99% D2O		7.1	ambient	303
3	PE-COSY	2 mM crosslinked duplex, 10 mM sodium phosphate buffer, 0.1 M NaCl, 50 mM EDTA, pH 7.1	99.99% D2O		7.1	ambient	303
4	2D NOESY	2 mM crosslinked duplex, 10 mM sodium phosphate buffer, 0.1 M NaCl, 50 mM EDTA, pH 7.1	90% H2O/10% D2O		7.1	ambient	298

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

NMR Refinement
Method	Details	Software
NOE-restrained molecular dynamics, simulated annealing	Further details about the structural refinement including the trimethylene chain can be found in the journal article	Felix

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	Felix	95
2	iterative matrix relaxation	MARDIGRAS		Borgias, B. A.; James, T. l.
3	structure solution	X-PLOR	3.1	Brunger, A. T.
4	data analysis	CPANEL		Dr. J. Zdunek
5	data analysis	SPHINX/LINSHA		Widmer, H.; Wuthrich, K.
6	refinement	X-PLOR	3.1	Brunger, A. T.