Non-canonical Split Intein Based Controllable C-cleavage
Non-canonical Split Intein Based Controllable C-cleavage
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基于非规范内含肽的可控 C 切割
DOI:
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发表时间:
2011
期刊:
影响因子:
--
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中科院分区:
文献类型:
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Intein-based protein cleavage has been used in protein purification , peptide ligation and cyclization. However , the existing methods employing conventional contiguous inteins often result in spontaneous cleavage and cause reduced yields of the desired protein products. Here we report a controllable cleavage strategy using three engineered S1 split-inteins , Ter ThyX , Ssp GryB and Rma DnaB. In this controllable C-cleavage design , the C-terminus of a S1-I C sequence was fused with thioredoxin to form a precursor protein , and a synthetic S1-I N peptide from the Ssp DnaB S1 split-intein was used together with DTT to trigger the cleavage at the C-terminus of the I C , where this peptide can trigger C-cleavage in all three inteins. This approach provided more options for protein purification using intein C-cleavage without spontaneous cleavage and might be useful to the studies of the intein structure- function relations.
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DOI:
10.1073/pnas.94.15.7851
发表时间:
1997-07-22
影响因子:
11.1
作者:
Liu, XQ;Hu, ZM
通讯作者:
Hu, ZM
影响因子:
14.9
作者:
Perler, FB
通讯作者:
Perler, FB
影响因子:
14.9
作者:
THOMPSON, JD;HIGGINS, DG;GIBSON, TJ
通讯作者:
GIBSON, TJ
影响因子:
4.8
作者:
Sun, WC;Yang, J;Liu, XQ
通讯作者:
Liu, XQ
影响因子:
4.8
作者:
Chong, SR;Shao, Y;Xu, MQ
通讯作者:
Xu, MQ