2PN9
NMR structure of a kissing complex formed between the TAR RNA element of HIV-1 and a LNA modified aptamer
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | HSQC | 1 mM 15N/13C labeled TAR/unlabeled aptamer complex | 10 mM phosphate buffer pH 6.4; 90% H2O, 10% D2O | 6.4 | ambient | 288 | ||
2 | 3D HCCH-TOCSY | 1 mM 15N/13C labeled TAR/unlabeled aptamer complex | 10 mM phosphate buffer pH 6.4; 100% D2O | 6.4 | ambient | 288 | ||
3 | 2D NOESY | 1 mM unlabeled TAR/aptamer complex | 10 mM phosphate buffer pH 6.4; 90% H2O, 10% D2O | 6.4 | ambient | 288 | ||
4 | 2D NOESY | 1 mM unlabeled TAR/aptamer complex | 10 mM phosphate buffer pH 6.4; 100% D2O | 6.4 | ambient | 288 | ||
5 | 2D TOCSY | 1 mM unlabeled TAR/aptamer complex | 10 mM phosphate buffer pH 6.4; 100% D2O | 6.4 | ambient | 288 | ||
6 | 3D NOESY-NOESY | 1 mM unlabeled TAR/aptamer complex | 10 mM phosphate buffer pH 6.4; 100% D2O | 6.4 | ambient | 288 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 500 |
NMR Ensemble Information | |
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Conformer Selection Criteria | The submitted structure are the 10 structures with zero violation on NOE distance, dihedral and with the lowest energy. |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (closest to the average) |
Additional NMR Experimental Information | |
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Details | The structure was determined using standard homonulear and heteronuclear methods. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | CNS | 1.1 | Brunger A. T. etall |
2 | refinement | CNS | 1.1 | Brunger A. T. etall |