Genetically encoded cyclopropene directs rapid, photoclick-chemistry-mediated protein labeling in mammalian cells.
Genetically encoded cyclopropene directs rapid, photoclick-chemistry-mediated protein labeling in mammalian cells.
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DOI:
10.1002/anie.201205352
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发表时间:
2012-10-15
影响因子:
16.6
通讯作者:
Lin, Qing
中科院分区:
文献类型:
--
作者:
Yu, Zhipeng;Pan, Yanchao;Wang, Zhiyong;Wang, Jiangyun;Lin, Qing
Genetic incorporation of a cyclopropene amino acid, Nε-(1-methylcycloprop-2-enecarboxamido)-lysine (CpK), into sperm whale myoglobin site-specifically in E. coli as well as enhanced green fluorescent protein in mammalian cells was achieved through amber codon suppression employing an orthogonal aminoacyl-tRNA synthetase/tRNACUA pair. Because of its high ring strain, cyclopropene exhibited fast reaction kinetics (up to 58 ± 16 M−1 s−1) in the photoclick reaction and allowed rapid (~ 2 min) bioorthogonal labeling of proteins in mammalian cells.
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