Ribonucleosides for an artificially expanded genetic information system.
Ribonucleosides for an artificially expanded genetic information system.
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人为扩展的遗传信息系统的核糖核苷。
DOI:
10.1021/jo402665d
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发表时间:
2014-04-04
期刊:
影响因子:
--
通讯作者:
Benner SA
中科院分区:
文献类型:
--
作者:
Kim HJ;Leal NA;Hoshika S;Benner SA
Rearranging hydrogen bonding groups adds nucleobases to an artificially expanded genetic information system (AEGIS), pairing orthogonally to standard nucleotides. We report here a large-scale synthesis of the AEGIS nucleotide carrying 2-amino-3-nitropyridin-6-one (trivially Z) via Heck coupling and a hydroboration/oxidation sequence. RiboZ is more stable against epimerization than its 2′-deoxyribo analogue. Further, T7 RNA polymerase incorporates ZTP opposite its Watson–Crick complement, imidazo[1,2-a]-1,3,5-triazin-4(8H)one (trivially P), laying grounds for using this “second-generation” AEGIS Z:P pair to add amino acids encoded by mRNA.
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通讯作者:
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通讯作者:
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