RNA-directed packaging of enzymes within virus-like particles.
RNA-directed packaging of enzymes within virus-like particles.
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DOI:
10.1002/anie.201005243
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发表时间:
2010-12-10
影响因子:
16.6
通讯作者:
Finn, M. G.
中科院分区:
文献类型:
--
作者:
Fiedler, Jason D.;Brown, Steven D.;Lau, Jolene L.;Finn, M. G.
Packaged molecular machines are available in large amounts using dual expression vectors that guide the preparation of Qβ virus-like particles encapsulating multiple copies of functional enzymes. Packaging is promoted by RNA aptamer sequences that bridge between the coat protein and a peptide tag fused to the desired cargo. Peptidase E and luciferase were thus encapsulated and shown to be catalytically active inside the particle. The encapsulated enzymes are less sensitive to inactivation by heating and surface adsorption than the corresponding free enzymes. This system represents a modular way to marry catalytic activity with robust scaffolding for the development of multifunctional materials.
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