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SOLUTION STRUCTURE OF A NA+ CATION STABILIZED DNA QUADRUPLEX CONTAINING G.G.G.G AND G.C.G.C TETRADS FORMED BY G-G-G-C REPEATS OBSERVED IN AAV AND HUMAN CHROMOSOME 19, NMR, 8 STRUCTURES
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
NOESY
5 MM NACL, 0.2 MM NA2HPO4
5 mM NACL, 0.2 mM NA2HPO4
6.5
1 atm
293
2
TOCSY
5 MM NACL, 0.2 MM NA2HPO4
5 mM NACL, 0.2 mM NA2HPO4
6.5
1 atm
293
3
COSY-45
5 MM NACL, 0.2 MM NA2HPO4
5 mM NACL, 0.2 mM NA2HPO4
6.5
1 atm
293
4
COSY DQF
5 MM NACL, 0.2 MM NA2HPO4
5 mM NACL, 0.2 mM NA2HPO4
6.5
1 atm
293
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
UNITY INOVA
600
NMR Refinement
Method
Details
Software
distance geometry
REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE
X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
ACCEPTABLE COVALEN GEOMETRY, LOW DISTANCE RESTRAINTS VIOLATIONS AND FAVORABLE NON-BONDED ENERGY
Conformers Calculated Total Number
100
Conformers Submitted Total Number
8
Additional NMR Experimental Information
Details
2D PROTON NOESY EXPERIMENTS IN D2O WERE PERFORMED AT FIVE DIFFERENT MIXING TIMES (50, 100, 150, 200 AND 300 MS). 2D PROTON NOESY EXPERIMENTS IN H2O WERE PERFORMED AT 80 AND 250 MS.