Distinct ubiquitin binding modes exhibited by SH3 domains: molecular determinants and functional implications
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-15N HSQC | 0.2 mM [U-99% 15N] CD2AP SH3-A, 1 mM ubiquitin | 90% H2O/10% D2O | 0 | 6.0 | 1 atm | 298 | |
| 2 | 3D HNCO JNH, JCC, JCH, JCAHA | 0.9 mM [U-99% 13CU-99% 15N] CD2AP SH3-A, 0.46 mM [U-99% 15N ubiquitin | 90% H2O/10% D2O | 0 | 6.0 | 1 atm | 298 | |
| 3 | 3D HNCO JNH, JCC, JCH, JCAHA | 0.8 mM [U-99% 13CU-99% 15N] CD2AP SH3-A, 1.37 mM [U-99% 15N] ubiquitin | 90% H2O/10% D2O | 0 | 6.0 | 1 atm | 298 | |
| 4 | 3D HNCO JNH, JCC, JCH, JCAHA | 0.7 mM [U-99% 13CU-99% 15N] CD2AP SH3-A, 1.75 mM [U-99% 15N] ubiquitin | 90% H2O/10% D2O | 0 | 6.0 | 1 atm | 298 | |
| 5 | 2D 1H-15N HSQC FILTERED DIPSAP | 0.25 mM [U-99% 13C; U-99% 15N] CD2AP SH3-A, 1.75 MM [U-99% 15N] ubiquitin | 90% H2O/10% D2O | 0 | 6.0 | 1 atm | 298 | |
| 6 | 2D 1H-15N HSQC | 0.25 mM [U-99% 15N] ubiquitin, mM CD2AP SH3-A | 90% H2O/10% D2O | 0 | 6.0 | 1 atm | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | Uniform NMR System | 600 |
| 2 | Varian | Uniform NMR System | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing, molecular dynamics, docking, simulated annealing, molecular dynamics | HADDOCK | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | target function |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | HADDOCK | Dominguez, Boelens | |
| 2 | structure solution | CNS/SCULPTOR | Brunger, Adams, Clore, Gros, Nilges and Read | |
| 3 | structure solution | NMRView | Johnson, One Moon Scientific | |
| 4 | structure solution | HADDOCK | Brunger, Adams, Clore, Gros, Nilges and Read | |
| 5 | refinement | CNS/SCULPTOR | ||
| 6 | refinement | HADDOCK | Brunger, Adams, Clore, Gros, Nilges and Read | |














