期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1218, 期 18, 页码 2553-2560出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2011.02.053
关键词
Protein splicing; Protein expression; Immobilization; Trans-splicing; Ssp DnaB derived mini-intein
资金
- MOE, China [NCET-06-0425]
Purification tags are robust tools that can be used to purify a variety of target proteins. However, tag removal remains an expensive and significant issue that must be resolved. Based on the affinity and the trans-splicing activity between the two domains of Ssp DnaB split-intein, a novel approach for tag affinity purification of recombinant proteins with controllable tag removal by inducible auto-cleavage has been developed. This system provides a new affinity method and avoids premature splicing of the intein fused proteins expressed in host cells. The affinity matrix can be reused. In addition, this method is compatible with his-tag affinity purification technique. Our methods provide the insights for establishing a novel recombinant protein preparation system. (C) 2011 Elsevier B.V. All rights reserved.
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