Fluorescent ribonucleoside as a FRET acceptor for tryptophan in native proteins.

Fluorescent ribonucleoside as a FRET acceptor for tryptophan in native proteins.
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DOI:
10.1021/ja105244t
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发表时间:
2010-09-01
影响因子:
15
通讯作者:
Tor, Yitzhak
Tor, Yitzhak
中科院分区:
化学1区
文献类型:
--
作者:
Xie, Yun;Maxson, Tucker;Tor, Yitzhak

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一种新的荧光核苷类似物,含有5-氨基喹唑啉-2,4(1H,3 H)-二酮,作为色氨酸的Förster共振能量转移受体(R 0 = 22 Ω),并显示可见发射(440 nm)。由于色氨酸经常在RNA结合蛋白的识别结构域处或附近发现,该FRET对有助于研究RNA与天然蛋白质和肽的结合,这在本文中证明了HIV-1 Rev与Rev反应元件(RRE)的关联。
A new fluorescent ribonucleoside analogue, containing 5-aminoquinazoline-2,4(1H,3H)-dione, acts as a Förster resonance energy transfer acceptor for tryptophan (R0 = 22 Å) 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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