To date, the superfamily of GTP-binding proteins consists of several members including translational factors, tubulins and signal-transducing GTP-binding proteins. It is this last group that will be the subject of this review. As implied in the name, the GTP-binding proteins have the ability to effi
GTP-binding proteins in plants
β Scribed by F. Bischoff; A. Molendijk; C. S. V. Rajendrakumar; K. Palme
- Publisher
- Springer
- Year
- 1999
- Tongue
- English
- Weight
- 524 KB
- Volume
- 55
- Category
- Article
- ISSN
- 1420-682X
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To identify isoprenylated plant GTP-binding proteins, Arabidopsis thaliana and Nicotiana tabacum cDNA expression libraries were screened for cDNA-encoded proteins capable of binding [32p]GTP in vitro. ATGB2, an Arabidopsis homologue of the GTP-binding protein Rab2, was found to bind GTP in vitro and
Plant cells contain water-soluble proteins able to facilitate in vitro intermembrane transfer of phospholipids (phospholipid transfer proteins, PLTP) or to bind long-chain fatty acids (fatty acid binding proteins, FABP). PLTPs, purified to homogeneity from various plant organs (seeds or leaves) are,