Solution structure of Risdiplam bound to the RNA duplex formed upon 5'-splice site recognition
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 0.001 M unlabeled RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 0.001 M unlabled RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3') | 100% D2O | 50 mM | 5.5 | atm atm | 293 | Bruker AVANCE III HD 900 |
| 2 | 2D 1H-13C HSQC aliphatic | 0.001 M unlabeled RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 0.001 M unlabled RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3') | 100% D2O | 50 mM | 5.5 | atm atm | 293 | Bruker AVANCE III HD 900 |
| 3 | 2D 1H-13C HSQC aromatic | 0.001 M unlabeled RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 0.001 M unlabled RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3') | 100% D2O | 50 mM | 5.5 | atm atm | 293 | Bruker AVANCE III HD 900 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE III HD | 900 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | AmberTools | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 40 |
| Conformers Submitted Total Number | 14 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | AmberTools | 2023 | Case D. |
| 2 | structure calculation | CYANA | 3 | Guntert, Mumenthaler and Wuthrich |
| 3 | chemical shift assignment | CARA | Keller R., Wuthrich K. | |
| 4 | peak picking | CYANA | 3 | Guntert, Mumenthaler and Wuthrich |
