2KY7
NMR Structural Studies on the Covalent DNA Binding of a Pyrrolobenzodiazepine-Naphthalimide Conjugate
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H NOESY | 1mM DNA (5'-D(*AP*AP*CP*AP*AP*TP*TP*GP*TP*T)-3'); 1mM Pyrrolo[2,1-c][1,4]benzodiazepine-Naphthalimide Hybrid; 100mM sodium chloride; 20mM sodium phosphate; 90% H2O/10% D2O | 90% H2O/10% D2O | 0.28 | 7 | ambient | 298 | |
2 | 2D 1H-1H NOESY | 1mM DNA (5'-D(*AP*AP*CP*AP*AP*TP*TP*GP*TP*T)-3'); 1mM Pyrrolo[2,1-c][1,4]benzodiazepine-Naphthalimide Hybrid; 100mM sodium chloride; 20mM sodium phosphate; 100% D2O | 100% D2O | |||||
3 | 2D DQF-COSY | 1mM DNA (5'-D(*AP*AP*CP*AP*AP*TP*TP*GP*TP*T)-3'); 1mM Pyrrolo[2,1-c][1,4]benzodiazepine-Naphthalimide Hybrid; 100mM sodium chloride; 20mM sodium phosphate; 100% D2O | 100% D2O | |||||
4 | 2D 1H-1H TOCSY | 1mM DNA (5'-D(*AP*AP*CP*AP*AP*TP*TP*GP*TP*T)-3'); 1mM Pyrrolo[2,1-c][1,4]benzodiazepine-Naphthalimide Hybrid; 100mM sodium chloride; 20mM sodium phosphate; 100% D2O | 100% D2O | |||||
5 | 2D-1H-1H ROESY | 1mM DNA (5'-D(*AP*AP*CP*AP*AP*TP*TP*GP*TP*T)-3'); 1mM Pyrrolo[2,1-c][1,4]benzodiazepine-Naphthalimide Hybrid; 100mM sodium chloride; 20mM sodium phosphate; 100% D2O | 100% D2O | |||||
6 | 2D 31P-1H HETCOR | 1mM DNA (5'-D(*AP*AP*CP*AP*AP*TP*TP*GP*TP*T)-3'); 1mM Pyrrolo[2,1-c][1,4]benzodiazepine-Naphthalimide Hybrid; 100mM sodium chloride; 20mM sodium phosphate; 100% D2O | 100% D2O |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
NMR Refinement | ||
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Method | Details | Software |
molecular dynamics | Amber |
NMR Ensemble Information | |
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Conformer Selection Criteria | representative conformers of production runs |
Conformers Calculated Total Number | 20000 |
Conformers Submitted Total Number | 5 |
Representative Model | 1 (closest to the average and energy minimized) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | restrained molecular dynamics | Amber | 9 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollm |
2 | refinement | Amber | 9 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollm |