期刊
JOURNAL OF PEPTIDE SCIENCE
卷 16, 期 10, 页码 582-588出版社
WILEY
DOI: 10.1002/psc.1227
关键词
protein modification; membranes; nanoparticles; protein immobilization; split inteins
资金
- Max-Planck Society
- Deutsche Forschungsgemeinschaft
- Fonds der chemischen Industrie
A plethora of methods exist to link proteins to surfaces in order to generate functionalized materials. However, general tools that lead to functional immobilization of recombinantly expressed proteins on membranes such as liposomes or lipid-coated nanoparticles are rare. Here we present an approach that takes advantage of a double-palmitoylated peptide that mediates stable membrane anchoring in combination with protein trans-splicing for efficient immobilization of recombinant proteins fused to split intein segments. Two different DnaE split inteins from Synechocystis and Nostoc punctiforme are tested and compared to immobilization via direct native chemical ligation using a protein thioester. Protein trans-splicing proceeds at low protein concentrations and leads to functionalized vesicles and membrane-coated silica nanoparticles. Copyright (C) 2010 European Peptide Society and John Wiley & Sons, Ltd.
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