1A8W

A K+ CATION-INDUCED CONFORMATIONAL SWITCH WITHIN A LOOP SPANNING SEGMENT OF A DNA QUADRUPLEX CONTAINING G-G-G-C REPEATS, NMR, 8 STRUCTURES


SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents5 MM NACL, 0.2 MM NA2HPO4
Solventn/a
Ionic Strengthn/a
pH6.5
Pressure1
Temperature (K)293
Experiment(s):NOESY, TOCSY, COSY
Spectrometer Information
Manufacturer Model Field Strength
VARIAN UNITY INOVA 600.0
NMR Refinement
Method DISTANCE GEOMETRY
Details REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE
NMR Ensemble Information
Conformer Selection Criteria ACCEPTABLE COVALENT ENERGY, LOW DISTANCE RESTRAINT VIOLATIONS, FAVORABLE NON-BONDED ENERGY
Conformers Calculated Total Number 100
Conformers Submitted Total Number 8
Additional NMR Experimental Information
1 STRUCTURE DETERMINED BY USING 5 NOESY MIXING TIME EXPERIMENTS IN D2O (50, 100, 150, 200 AND 300 MS) AND 2 NOESY MIXING TIME EXPERIMENTS IN H2O (80 AND 250 MS)
Computation: NMR Software
# Classification Software Name Author
1 structure solution X-PLOR n/a
2 refinement X-PLOR 3.1 BRUNGER