1KR8 | pdb_00001kr8

Refinement of d(GCGAAGC) Hairpin Structure Using One-and Two-Bonds Residual Dipolar Couplings

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	6mM natural abundance d(GCGAAGC), 10mM phosphate buffer Na	D2O	10 mM	6.7	1 atm	303
2	2D NOESY	6mM natural abundance d(GCGAAGC), 10mM phosphate buffer Na, 90% H2O, 10% D2O	90% H2O/10% D2O	10 mM	6.7	1 atm	277
3	E-COSY	6mM natural abundance d(GCGAAGC), 10mM phosphate buffer Na	D2O	10 mM	6.7	1 atm	303
4	DQF-COSY	6mM natural abundance d(GCGAAGC), 10mM phosphate buffer Na	D2O	10 mM	6.7	1 atm	303
5	coupled HSQC	U-15N,13C, 0.5mM d(GCGAAGC), 10mM phosphate buffer Na, 90% H2O, 10% D2O	90% H2O/10% D2O	10 mM	6.7	1 atm	303
6	S3E E-COSY	U-15N,13C, 0.5mM d(GCGAAGC), 10mM phosphate buffer Na, 90% H2O, 10% D2O	90% H2O/10% D2O	10 mM	6.7	1 atm	303

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

NMR Refinement
Method	Details	Software
molecular dynamics		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	all calculated structures submitted
Conformers Calculated Total Number	14
Conformers Submitted Total Number	14
Representative Model	7 (closest to the average)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy in isotropic and liquid crystalline phase.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.1, 3.0	Bruker
2	processing	XwinNMR	2.1, 3.0	Bruker
3	data analysis	Sparky	3.x	T. D. Goddard and D. G. Kneller
4	structure solution	Amber	6.0	Kollman, Case et. al
5	refinement	Amber	6.0	Kollman, Case et. al