A 2:1 stoichiometric complex of anticancer drug 4'-Epiadriamycin bound to parallel G-quadruplex DNA [d-(TTGGGGT)]4.
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 1.03 mM DNA (5'-D(*TP*TP*GP*GP*GP*GP*T)-3'), 2.06 mM 4'-EPIDOXORUBICIN | 90% H2O/10% D2O | 100 mM | 7.0 | 1 atm | 298 | Bruker AVANCE 500 |
| 2 | 1D 1H | 1.03 mM DNA (5'-D(*TP*TP*GP*GP*GP*GP*T)-3'), 2.06 mM 4'-EPIDOXORUBICIN | 90% H2O/10% D2O | 100 mM | 7.0 | 1 atm | 298 | Bruker AVANCE 500 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | Amber | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 2 | chemical shift assignment | TopSpin | 3.6.01 | Bruker Biospin |
| 3 | processing | TopSpin | 3.6.1 | Bruker Biospin |
| 4 | refinement | Amber | 16 | Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman |
