Abstract
The purpose of preparing fusion proteins from designed and natural sequences is mainly twofold; it aims at the stabilization of structure and at the modification of biological activity. Fusion with b-galactosidase, for example, can increase the intracellular stability and DDT-degrading activity of an artificial DDT-binding peptide, and fusions with a leucine zipper produce mono- and bifunctional single-chain variable domain antibody fragments or homodimeric and heterodimeric DNA-binding proteins like an artificial homodimeric HIV-1 enhancer-binding protein with increased binding specificity and repressor activity. Of importance are also short leader sequences that mediate the translocation of proteins across the cytoplasmic and the nuclear membrane. An interesting by-product of the leucine zipper-mediated dimerization of an HIV-1 enhancer-binding protein was the synthesis and the structural as well as functional characterization of a retro-leucine zipper.
Keywords: DNA-binding proteins, retro-leucine zipper, topoisomerase analogue, Dimeric and Tetrameric Fv Fragments, Affinity Chromatography, Myoglobin F-Helix, HIV-1 enhancer-containing plasmids, COOH-terminal peptides, heterooligomerization, Tetramerization Module
Current Protein & Peptide Science
Title: Fusion Proteins from Artificial and Natural Structural Modules
Volume: 2 Issue: 2
Author(s): N. Liu, G. Caderas, C. Deillon, S. Hoffmann, S. Klauser, T. Cui and B. Gutte
Affiliation:
Keywords: DNA-binding proteins, retro-leucine zipper, topoisomerase analogue, Dimeric and Tetrameric Fv Fragments, Affinity Chromatography, Myoglobin F-Helix, HIV-1 enhancer-containing plasmids, COOH-terminal peptides, heterooligomerization, Tetramerization Module
Abstract: The purpose of preparing fusion proteins from designed and natural sequences is mainly twofold; it aims at the stabilization of structure and at the modification of biological activity. Fusion with b-galactosidase, for example, can increase the intracellular stability and DDT-degrading activity of an artificial DDT-binding peptide, and fusions with a leucine zipper produce mono- and bifunctional single-chain variable domain antibody fragments or homodimeric and heterodimeric DNA-binding proteins like an artificial homodimeric HIV-1 enhancer-binding protein with increased binding specificity and repressor activity. Of importance are also short leader sequences that mediate the translocation of proteins across the cytoplasmic and the nuclear membrane. An interesting by-product of the leucine zipper-mediated dimerization of an HIV-1 enhancer-binding protein was the synthesis and the structural as well as functional characterization of a retro-leucine zipper.
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Cite this article as:
Liu N., Caderas G., Deillon C., Hoffmann S., Klauser S., Cui T. and Gutte B., Fusion Proteins from Artificial and Natural Structural Modules, Current Protein & Peptide Science 2001; 2 (2) . https://dx.doi.org/10.2174/1389203013381161
DOI https://dx.doi.org/10.2174/1389203013381161 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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