1BAU
NMR STRUCTURE OF THE DIMER INITIATION COMPLEX OF HIV-1 GENOMIC RNA, MINIMIZED AVERAGE STRUCTURE
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOE IN D2O | D2O AND H2O | 100 mM NACL | 6.4 | 298 | |||
2 | 2D NOE IN WATER | D2O AND H2O | 100 mM NACL | 6.4 | 298 | |||
3 | DQF-COSY | D2O AND H2O | 100 mM NACL | 6.4 | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITYPLUS | 600 |
NMR Refinement | ||
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Method | Details | Software |
RANDOMLY GENERATED STRUCTURES WERE FOLDED IN DYANA USING NMR DRIVEN STRUCTURAL RESTRAINTS. 34 STRUCTURES SHOWING LOWEST TARGET FUNCTION VALUES AND NO CONSISTENT VIOLATIONS OF NMR RESTRAINTS WERE INDIVIDUALLY SUBJECTED TO RESTRAINED ENERGY MINIMIZATION IN AMBER 4.1. FOR DETAILS OF REFINEMENT PROTOCOL, PLEASE REFER TO THE REFERENCE ABOVE. | DYANA |
NMR Ensemble Information | |
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Conformer Selection Criteria | LOWEST NMR CONSTRAINT VIOLATIONS AND LOWEST AMBER ENERGY. |
Conformers Calculated Total Number | 34 |
Conformers Submitted Total Number | 1 |
Additional NMR Experimental Information | |
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Details | INTERPROTON-DISTANCE INFORMATION (IN THE FORM OF NOE CROSS-PEAKS) WAS COLLECTED FROM 2D NOE EXPERIMENTS IN D2O AS WELL AS IN 90% H2O FOR NON-EXCHANGEABLE AND EXCHANGEABLE PROTONS, RESPECTIVELY. 2D NOE EXPERIMENTS WERE CARRIED OUT AT 50, 80, 200 AND 400 M SEC MIXING TIMES. COUPLING CONSTANTS AND SUGAR CONFORMATIONS WERE DEDUCED FROM DQF-COSY EXPERIMENTS. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | DYANA | 1.4 | GUNTERT,WUTHRICH |
2 | structure solution | DYANA | ||
3 | structure solution | Amber | 4.1 |