Encoded Conformational Dynamics of the HIV Splice Site A3 Regulatory Locus: Implications for differential binding of hnRNP Splicing Auxiliary Factors
SOLUTION NMR - SOLUTION SCATTERING
| Solution Scattering Data Acquistion | 1 |
|---|---|
| Scattering Type | neutron |
| Radiation/Neutron Source | APS BioCat 18ID beam line |
| Synchrotron | Y |
| Beamline Type | APS |
| Detector Type | |
| Detector Manufacturer Details | |
| Temperature (K) | 298 |
| pH | 6.2 |
| Numer of Time Frames Used | |
| Protein Concentration Range (mg/mL) | 6-6.5 |
| Sample Buffer | 20 mM Bis-Tris, 20 mM NaCl, pH 6.2 |
| Data Reduction Software | GNOM |
| Guiner Mean Radius Of Gyration (nm) | 2.1 |
| Sigma Mean Radius Of Gyration | 0.1 |
| R(XS-1) Mean Cross Sectional Radii (nm) | |
| R(XS-1) Sigma Mean Cross Sectional Radii | |
| R(XS-2) Mean Cross Sectional Radii (nm) | |
| R(XS-2) Sigma Mean Cross Sectional Radii | |
| P(R) Protein Length (nm) | 6.9 |
| Solution Scattering Data Analysis and Model Fitting | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Method | Software | Software Authors | Starting Model | Conformers, Number Calculated | Conformers, Number Submitted | Conformers, Selection Criteria | Best Representative Conformer | Other Details | |||||||||||
| NMR, SAXS | NMRpipe, NMRViewJ ,X-PLOR_NIH, AMBER, GNOM | Frank Delaglio; Ad Bax; Bruce Johnson; Charles Schwieters; Marius Clore; David Case; Dmitry Svergun | 1024 | 10 | Lowest energy | 10 | |||||||||||||
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 400 uM ESS2p | 90% H2O/10% D2O | 5 mM | 6.5 | 1 atm | 283 | Bruker AVANCE NEO 700 |
| 2 | 2D 1H-13C HMQC | 400 uM [U-100% 13C; U-100% 15N on ATP and GTP ESS2p | 100% D2O | 5 mM | 6.5 | 1 atm | 298 | Bruker AVANCE II 900 |
| 3 | 2D 1H-1H NOESY | 450 uM selective deuteration ESS2p | 100% D2O | 5 mM | 6.5 | 1 atm | 298 | Bruker AVANCE II 800 |
| 4 | 2D 1H-1H TOCSY | 400 uM ESS2p | 90% H2O/10% D2O | 5 mM | 6.5 | 1 atm | 298 | Bruker AVANCE II 800 |
| 5 | 2D 1H-15N HSQC | 300 uM Uniform_15N on GTP and UTP ESS2p | 90% H2O/10% D2O | 5 mM | 6.5 | 1 atm | 283 | Bruker AVANCE II 800 |
| 6 | 2D 1H-15N HNN-COSY | 300 uM Uniform_15N on all nucleotides ESS2p | 90% H2O/10% D2O | 5 mM | 6.5 | 1 atm | 283 | Bruker AVANCE II 900 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE II | 900 |
| 2 | Bruker | AVANCE II | 800 |
| 3 | Bruker | AVANCE NEO | 700 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| molecular dynamics | Amber | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 1024 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | Amber | Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, and Kollman | |
| 2 | structure calculation | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 3 | chemical shift assignment | NMRViewJ | Bruce Johnson | |
| 4 | collection | TopSpin | Bruker Biospin | |
| 5 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
| 6 | data analysis | NMRFAM-SPARKY | Woonghee Lee, Marco Tonelli, John L Markley | |














