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Conservation of the MC domains in eukaryotic release factor eRF3

Conservation of the MC domains in eukaryotic release factor eRF3 Eukaryotic translation termination employs two protein factors, eRF1 and eRF3. Proteins of the eRF3 family each consist of three domains. The N and M domains vary in different species, while the C domains are highly homologous. The MC domains of Homo sapiens eRF3a (hGSPT1), Xenopus laevis eRF3 (XSup35), and Mus musculus eRF3a (mGSPT1) and eRF3b (mGSPT2) were found to compensate for the sup35-21(ts) temperature-sensitive mutation and lethal disruption of the SUP35 gene in yeast Saccharomyces cerevisiae. At the same time, strains containing the MC domains of the eRF3 proteins from different species differed in growth rate and the efficiency of translation termination. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Conservation of the MC domains in eukaryotic release factor eRF3

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References (36)

Publisher
Springer Journals
Copyright
Copyright © 2007 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Microbial Genetics and Genomics; Animal Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
DOI
10.1134/S102279540701005X
Publisher site
See Article on Publisher Site

Abstract

Eukaryotic translation termination employs two protein factors, eRF1 and eRF3. Proteins of the eRF3 family each consist of three domains. The N and M domains vary in different species, while the C domains are highly homologous. The MC domains of Homo sapiens eRF3a (hGSPT1), Xenopus laevis eRF3 (XSup35), and Mus musculus eRF3a (mGSPT1) and eRF3b (mGSPT2) were found to compensate for the sup35-21(ts) temperature-sensitive mutation and lethal disruption of the SUP35 gene in yeast Saccharomyces cerevisiae. At the same time, strains containing the MC domains of the eRF3 proteins from different species differed in growth rate and the efficiency of translation termination.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Jan 24, 2007

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