SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 2.5 mM 5'-R(*(C5L)P*(G48)P*(C5L)P*(G48)P*(A44)P*(A44)P*(T39)P*(T39)P*(C5L)P*(G48)P*(C5L))-D(P*(DG))-3', 100 mM potassium chloride | 90% H2O/10% D2O | 100 | 7.0 | ambient | 278 | |
2 | 2D NOESY | 2.5 mM 5'-R(*(C5L)P*(G48)P*(C5L)P*(G48)P*(A44)P*(A44)P*(T39)P*(T39)P*(C5L)P*(G48)P*(C5L))-D(P*(DG))-3', 100 mM potassium chloride | 100% D2O | 100 | 7.0 | ambient | 303 | |
3 | 2D DQF-COSY | 2.5 mM 5'-R(*(C5L)P*(G48)P*(C5L)P*(G48)P*(A44)P*(A44)P*(T39)P*(T39)P*(C5L)P*(G48)P*(C5L))-D(P*(DG))-3', 100 mM potassium chloride | 100% D2O | 100 | 7.0 | ambient | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | Unity Inova | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing, energy minimization | STRUCTURES WERE REFINED BY NMR RESTRAINED MOLECULAR DYNAMICS IN TWO STAGES USING A GENERALIZED BORN (GB) IMPLICIT SOLVATION MODEL. THE RESULTING STRUCTURES WERE SUBJECTED TO ENERGY MINIMIZATION. 3',5'-PHOSPHODIESTER LINKAGES BETWEEN RESIDUES, O2' OF EACH RIBOSE MODIFIED BY METHOXYETHYL. | VNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 9 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | STRUCTURE WAS DETERMINED USING STANDARD 2D HOMO- AND HETERONUCLEAR TECHNIQUES. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 6.1B | Varian |
2 | processing | VNMR | 6.1B | Varian |
3 | processing | Felix | 2000 | Accelrys Software Inc. |
4 | structure solution | Amber | 7 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, Kollman |
5 | refinement | Amber | 7 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, Kollman |