1EKI
AVERAGE SOLUTION STRUCTURE OF D(TTGGCCAA)2 BOUND TO CHROMOMYCIN-A3 AND COBALT
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 2mM DNA-drug complex, 25 degrees C, in buffer (100mM NaCl, 10mM Na borate), final PH 6. | 90% H2O/10% D2O | 110mM | 6 | 1 atm | 298 | |
| 2 | 13C-1H HMQC | 2mM DNA-drug complex, 25 degrees C, in buffer (100mM NaCl, 10mM Na borate), final PH 6. | 90% H2O/10% D2O | 110mM | 6 | 1 atm | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | GE | OMEGA | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | molecular dynamics, isolated spin-pair approximation for NOE's; pseudocontact shift refinement | NMRPipe |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | average structure |
| Conformers Calculated Total Number | 1 |
| Conformers Submitted Total Number | 1 |
| Representative Model | 1 (minimized average structure) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D homonuclear techniques as well as 2D 13C-1H heteronuclear correlation |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | NMRPipe | 1.7 | DeLaglio and Bax |
| 2 | data analysis | Sparky | 3.0 | Kneller and Goddard |
| 3 | refinement | X-PLOR | 3.0, 3.851 | Brunger (modified Gochin and Tu) |
| 4 | data analysis | Felix | 2.1 | Biosym |
