Cloning of the Mycoplasma capricolum gene encoding peptide-chain release factor
1996
Inagaki, Y. | Bessho, Y. | Hori, H. | Osawa, S.
In Mycoplasma capricolum (Mc), a relative of Gram + eubacteria with a high genomic A + T-content, the UGA codon is assigned to Trp instead of being a stop codon. We previously showed the lack of peptide-chain release factor (RF) activity in vitro responding to the UGA codon in this bacterium [Inagaki et al., Nucleic Acids Res. 21 (1993) 1335-1338]. To obtain more information on the translation termination mechanism of Mc, we isolated and sequenced the gene encoding RF. The deduced amino-acid sequence has no RF-2-specific + 1 frameshift site and shows 50 and 36% identity to Escherichia coli RF-1 and RF-2, respectively. We conclude that this gene encodes the putative RF-1 which would possess the conserved 'five-domain' structure of RF family found in various organisms.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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