Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 34, Pages 11896-11897Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja105244t
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Funding
- National Institutes of Health [GM 069773]
- National Science Foundation [CHE-0741968]
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A new fluorescent ribonucleoside analogue, containing 5-aminoquinazoline-2,4(1H,3H)-dione, acts as a Forster resonance energy transfer acceptor for tryptophan (R-0 = 22 angstrom) and displays visible emission (440 nm). As tryptophan is frequently found at or near the recognition domains of RNA binding proteins, this FRET pair facilitates the study of RNA binding to native proteins and peptides, which is demonstrated here for the HIV-1 Rev association with the Rev Response Element (RRE).
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