2GKU

Monomeric human telomere DNA tetraplex with 3+1 strand fold topology, two edgewise loops and double-chain reversal loop, NMR, 12 structures

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1H-1H NOESY	70 MM KCL 20 MM POTASSIUM PHOSPHATE 90% H2O 10% D2O	90% H2O/10% D2O	70 mM	7.0	1 atm	298
2	1H-1H TOCSY	70 MM KCL 20 MM POTASSIUM PHOSPHATE 100% D2O	100% D2O	70 mM	7.0	1 atm	298
3	1H-31P COSY	70 MM KCL 20 MM POTASSIUM PHOSPHATE 100% D2O	100% D2O	70 mM	7.0	1 atm	298
4	1H-1H COSY	70 MM KCL 20 MM POTASSIUM PHOSPHATE 100% D2O	100% D2O	70 mM	7.0	1 atm	298
5	1H-15N JRHMQC	70 MM KCL 20 MM POTASSIUM PHOSPHATE 90% H2O 10% D2O	90% H2O/10% D2O	70 mM	7.0	1 atm	298
6	1H-15N HMBC	70 MM KCL 20 MM POTASSIUM PHOSPHATE 100% D2O	100% D2O	70 mM	7.0	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
TORSION ANGLE DYNAMICS CARTESIAN DYNAMICS MATRIX RELAXATION		VNMR

NMR Ensemble Information
Conformer Selection Criteria	back calculated data agree with experimental NOESY spectrum
Conformers Calculated Total Number	50
Conformers Submitted Total Number	12
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.0	VARIAN
2	data analysis	Felix	2000	ACCELRYS
3	structure solution	X-PLOR	3.851	AT BRUNGER
4	refinement	X-PLOR	3.851	AT BRUNGER