| Literature DB >> 17981875 |
Akira Nozawa1, Hideaki Nanamiya, Takuji Miyata, Nicole Linka, Yaeta Endo, Andreas P M Weber, Yuzuru Tozawa.
Abstract
We describe here a novel proteoliposome reconstitution system for functional analysis of plant membrane transporters that is based on a modified wheat germ cell-free translation system. We established optimized conditions for the reconstitution system with Arabidopsis thaliana phosphoenolpyruvate/phosphate translocator 1 (AtPPT1) as a model transporter. A high activity of AtPPT1 was achieved by synthesis of the protein in the presence of both a detergent such as Brij35 and liposomes. We also determined the substrate specificities of three putative rice PPT homologs with this system. The cell-free proteoliposome reconstitution system provides a valuable tool for functional analysis of transporter proteins.Entities:
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Year: 2007 PMID: 17981875 DOI: 10.1093/pcp/pcm150
Source DB: PubMed Journal: Plant Cell Physiol ISSN: 0032-0781 Impact factor: 4.927