Article
A novel mutant of the Sup35 protein of Saccharomyces cerevisiae defective in translation termination and in GTPase activity still supports cell viability.
BMC molecular biology - 11 Feb 2008
Fabret Céline, Cosnier Bruno, Lekomtsev Sergey, Gillet Sylvie, Hatin Isabelle, Le Maréchal Pierre, Rousset Jean Pierre
Abstract excerpt
BACKGROUND: When a stop codon is located in the ribosomal A-site, the termination complex promotes release of the polypeptide and dissociation of the 80S ribosome. In eukaryotes two proteins eRF1 and eRF3 play a crucial function in the termination process. The essential GTPase Sup35p, the eRF3 release factor of Saccharomyces cerevisiae is highly conserved. In particular, we observed that all eRF3 homologs share a...
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