Beyond molecular beacons: optical sensors based on the binding-induced folding of proteins and polypeptides.

Beyond molecular beacons: optical sensors based on the binding-induced folding of proteins and polypeptides.
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DOI:
10.1002/chem.200701748
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发表时间:
2009
影响因子:
4.3
通讯作者:
Plaxco, Kevin W.
Plaxco, Kevin W.
中科院分区:
化学2区
文献类型:
--
作者:
Oh, Kenneth J.;Cash, Kevin J.;Plaxco, Kevin W.

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Many polypeptides and small proteins can be readily engineered such that they only fold upon binding a specific target ligand. This approach couples target recognition with a considerable change in polymer structure and dynamics. Recent years have seen the development of a number of biosensors that couple these large changes to readily measurable optical (fluorescent) outputs. These sensors afford the detection of a wide variety of macromolecular targets including proteins, polypeptides, and nucleic acids. Here we describe the design of such biosensors, from the first iterations as protein engineering experiments, to the development of biosensors targeting a range of protein and nucleic acid targets.
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