1R2L
A parallel stranded DNA duplex with an A-G mismatch base-pair
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 5 mM concentration of each strand to form the duplex | 0.05 M deuterated sodium acetate buffer and 0.1 M NaCl pH 5.5 and 6.8 | 0.1 M NaCl, 100% D2O | 6.8 | 1 atm | 298 | |
2 | 2D TOCSY | 0.1 M NaCl, 100% D2O | 6.8 | 1 atm | 298 | |||
3 | jump return NOESY | 0.1 M NaCl, 10% D2O, 90% H2O | 5.5 | 1 atm | 278 | |||
4 | E-COSY | 0.1 M NaCl, 100% D2O | 6.8 | 1 atm | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
2 | Bruker | AMX | 500 |
NMR Refinement | ||
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Method | Details | Software |
From the structure 1JUU, the required T base was replaced by G using insightII. | THE RESULTING STRUCTURE WAS ENERGY MINIMIZED USING THE NMR CONSTRAINTS | Discover |
NMR Ensemble Information | |
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Conformer Selection Criteria | energy minimized using the NMR constraints |
Conformers Calculated Total Number | 1 |
Conformers Submitted Total Number | 1 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
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Details | This structure was determined using 2D homonuclear techniques |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | Discover | 3.1 | MSI |
2 | structure solution | Insight | II |