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Structure of DNA AGCGA-quadruplex adopted by 15-mer oligonucleotide found in regulatory region of the PLEKHG3 human gene with G11 to I11 mutation, d(GCGAGGGAGCIAGGG),VK34_I11
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D 1H-1H NOESY
1 mM DNA (5'-D(*GP*CP*GP*AP*GP*GP*GP*AP*GP*CP*IP*AP*GP*GP*G)-3'), 100 mM LiCl
90% H2O/10% D2O
100 mM
6
1 atm
273
Varian Uniform NMR System 800
2
1D 1H-15N HSQC
1 mM residue specific 15N labeled DNA (5'-D(*GP*CP*GP*AP*GP*GP*GP*AP*GP*CP*IP*AP*GP*GP*G)-3'), 100 mM LiCl
90% H2O/10% D2O
100 mM
6
1 atm
273
Varian Uniform NMR System 600
3
2D 1H-15N HSQC
1 mM residue specific 15N labeled DNA (5'-D(*GP*CP*GP*AP*GP*GP*GP*AP*GP*CP*IP*AP*GP*GP*G)-3'), 100 mM LiCl
90% H2O/10% D2O
100 mM
6
1 atm
273
Varian Uniform NMR System 600
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
Uniform NMR System
600
2
Varian
Uniform NMR System
800
NMR Refinement
Method
Details
Software
simulated annealing
Amber
NMR Ensemble Information
Conformer Selection Criteria
structures with the least restraint violations
Conformers Calculated Total Number
100
Conformers Submitted Total Number
10
Representative Model
1 (lowest energy)
Computation: NMR Software
#
Classification
Version
Software Name
Author
1
refinement
Amber
Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
2
structure calculation
Amber
Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman