STRUCTURE OF TAR RNA COMPLEXED WITH A TAT-TAR INTERACTION NANOMOLAR INHIBITOR THAT WAS IDENTIFIED BY COMPUTATIONAL SCREENING
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY, 3D 13C-seperated NOESY, 3D 15N-seperated NOESY | 10 mM sodium phosphate (pH 6.5), 20mM sodium Chloride | 90% H2O, 10% D2O or 100% H2O | 30 mM | 6.5 | ambient | 308 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing starting from random coordinates | The structure was determined by multidimentional heteronuclear NMR spectroscopy on a unlabeled, a 15N,13C-labeled sample and three type-specific (A,G or C) labeled samples. | DYANA |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | least violations and lowest energy |
| Conformers Calculated Total Number | 12 |
| Conformers Submitted Total Number | 12 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | DYANA | 1.6 | Guntert |
| 2 | refinement | Amber | 6.0 | Pearlman et al. |
| 3 | data analysis | Sparky | 3.0 | Goddard |
