Structural study of dna duplex containaing a n-(2-deoxy-beta-erytho-pentofuranosyl) formamide frameshift by nmr and restrained molecular dynamics
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | NOESY | 2 MM DNA, 10 MM PHOSPHATE BUFFER, 50 MM NACL, 0.2 MM EDTA | 99.9% D2O | 10 mM PHOSPHATE BUFFER, 150 mM NACL, 0.2 mM EDTA | 6.5 | AMBIENT | 290 | |
| 2 | COSY | 2 MM DNA, 10 MM PHOSPHATE BUFFER, 50 MM NACL, 0.2 MM EDTA | 99.9% D2O | 10 mM PHOSPHATE BUFFER, 150 mM NACL, 0.2 mM EDTA | 6.5 | AMBIENT | 290 | |
| 3 | DQFCOSY | 2 MM DNA, 10 MM PHOSPHATE BUFFER, 50 MM NACL, 0.2 MM EDTA | 99.9% D2O | 10 mM PHOSPHATE BUFFER, 150 mM NACL, 0.2 mM EDTA | 6.5 | AMBIENT | 290 | |
| 4 | TOCSY | 2 MM DNA, 10 MM PHOSPHATE BUFFER, 50 MM NACL, 0.2 MM EDTA | 99.9% D2O | 10 mM PHOSPHATE BUFFER, 150 mM NACL, 0.2 mM EDTA | 6.5 | AMBIENT | 290 | |
| 5 | HSQC 1H-31P | 2 MM DNA, 10 MM PHOSPHATE BUFFER, 50 MM NACL, 0.2 MM EDTA | 99.9% D2O | 10 mM PHOSPHATE BUFFER, 150 mM NACL, 0.2 mM EDTA | 6.5 | AMBIENT | 290 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| 2 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| MOLECULAR MODELING; SIMULATED ANNEALING; RESTRAINED MOLECULAR DYNAMICS SIMULATIONS | Amber | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | |
| Conformers Calculated Total Number | |
| Conformers Submitted Total Number | 2 |
| Representative Model | 2 (those which were used to initiate molecular dynamic simulations) |
| Additional NMR Experimental Information | |
|---|---|
| Details | THE STRUCTURES WERE DETERMINED USING PROTON NMR FOLLOWED BY DISTANCE RESTRAINED MOLECULAR DYNAMICS SIMULATIONS. TWO REPRESENTATIVE STRUCTURES OF THE TWO ISOMER CIS AND TRANS FOR THE FORMAMIDE RESIDUE ARE PRESENTED. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | Amber | KOLLMAN | |
| 2 | refinement | MORCAD | LEBRET | |
| 3 | refinement | MOLMOL | 2.6 | Koradi, Wuthrich |
| 4 | processing | XwinNMR | 2.5 | BRUKER |














