2N3M | pdb_00002n3m

G-quadruplex structure of an anti-proliferative DNA sequence

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	1.2-2 mM DNA (28-MER)-1	90% H2O/10% D2O	90	7		298
2	2D 1H-1H NOESY	1.2-2 mM DNA (28-MER)-3	100% D2O	90	7		298
3	2D 1H-13C HSQC	1.2-2 mM DNA (28-MER)-3	100% D2O	90	7		298
4	2D 1H-1H TOCSY	1.2-2 mM DNA (28-MER)-3	100% D2O	90	7		298
5	1D 15N-Filtered	0.2-1 mM [U-2% 15N] DNA (28-MER)-2	90% H2O/10% D2O	90	7		298
6	1D D-labeled	0.2-1 mM [U-100% 2H] DNA (28-MER)-4	100% D2O	90	7		298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman
2	structure solution	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman
3	geometry optimization	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman
4	geometry optimization	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
5	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
7	chemical shift assignment	Sparky		Goddard
8	data analysis	Sparky		Goddard
9	peak picking	Sparky		Goddard
10	collection	TopSpin		Bruker Biospin