1EKD | pdb_00001ekd

NMR AND MOLECULAR MODELING REVEAL THAT DIFFERENT HYDROGEN BONDING PATTERNS ARE POSSIBLE FOR GU PAIRS: ONE HYDROGEN BOND FOR EACH GU PAIR IN R(GGCGUGCC)2 AND TWO FOR EACH GU PAIR IN R(GAGUGCUC)2

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2.5 mM RNA oligomer	10 mM phosphate, 80 mM NaCl, 100% D2O	0.1M	7	ambient	301

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	500
2	Varian	INOVA	500

NMR Refinement
Method	Details	Software
Simulated annealing, Molecular dynamics, Energy minimization

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1
Representative Model	(minimized average structure)