1JHI
Solution Structure of a Hedamycin-DNA complex
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | hedamycin covalently bound to G4 of d(ACCGGT) | pH6.7 10%D2O/90%D2O buffer , 10mM phosphate, 50 mM NaCl | 0.05 | 6.7 | ambient | 288 | |
| 2 | DQF-COSY | hedamycin covalently bound to G4 of d(ACCGGT) | pH6.7 100%D2O buffer , 10mM phosphate, 50 mM NaCl | 0.05 | 6.7 | ambient | 288 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| Full relaxation matrix refinement Restrained Molecular Dynamics Torsion Angle dynamics | MARDIGRAS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | The 10 structures submitted are those with the lowest energy,and agree best with the NMR data. |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 7 (n/a) |
| Additional NMR Experimental Information | |
|---|---|
| Details | The data was collected and processed using standard 2D homonuclear techniques |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | iterative matrix relaxation | MARDIGRAS | 3.2 | Borgais, B. and James, T.L. |
| 2 | refinement | CHARMM | 23.2 | MOLECULAR SIMULATIONS INCORPORATED, Waltham MA |
| 3 | refinement | CNS_Solve | 1.0 | Brunger,A.T., Adams,P.D., Clore,G.M., DeLano,W.L., Gros,P. Grosse-Kunstleve,R.W., Jiang,T-S., Kuszewski,J., Nilges,M., Pannu,N.S., Read,R.J., Rice,L.M., Simonson,T., Warren,G.L. |
| 4 | refinement | CORMA | 5.2 | Keepers,J. and James, T. L. |
| 5 | collection | VNMR | 6.1 | Varian Associates |
| 6 | data analysis | XEASY | 1.3.10 | Bartels,C, Xia, T-H, Billeter, M., Guntert,P & Wuthrich, |
