Emissive RNA alphabet.

Emissive RNA alphabet.
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DOI:
10.1021/ja206095a
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发表时间:
2011-09-28
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:
Shin, Dongwon;Sinkeldam, Renatus W.;Tor, Yitzhak

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描述了一种荧光核糖核苷字母表,其由高发射嘌呤(thA,thG)和嘧啶(thU,thC)类似物组成,所有衍生自噻吩并[3,4-d]嘧啶作为杂环核。结构和生物物理分析表明,发射类似物是忠实的同晶型核苷替代物。光物理分析确定,核苷提供非常理想的品质,包括可见光发射,高量子产率和对环境扰动的响应性,其天然对应物完全缺乏的特性。
A fluorescent ribonucleoside alphabet, comprised of highly emissive purine (thA, thG) and pyrimidine (thU, thC) analogs, all derived from thieno[3,4-d]pyrimidine as the heterocyclic nucleus, is described. Structural and biophysical analyses demonstrate that the emissive analogs are faithful isomorphic nucleoside surrogates. Photophysical analysis establishes that the nucleosides offer highly desirable qualities, including visible emission, high quantum yield and responsiveness to environmental perturbations, traits entirely lacking in their native counterparts.
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