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  • Title: Isolation and sequence of the structural gene for cytochrome c oxidase subunit VI from Saccharomyces cerevisiae.
    Author: Wright RM, Ko C, Cumsky MG, Poyton RO.
    Journal: J Biol Chem; 1984 Dec 25; 259(24):15401-7. PubMed ID: 6210289.
    Abstract:
    Using synthetic oligodeoxyribonucleic acid probes we have identified and isolated COX6, the structural gene for subunit VI of cytochrome c oxidase from Saccharomyces cerevisiae. The nucleotide sequence of COX6 predicts an amino acid sequence, for the mature subunit VI polypeptide, which is in perfect agreement with that determined previously. The nucleotide sequence of COX6 also predicts that subunit VI is derived from a precursor with a highly basic 40-amino acid NH2-terminal presequence. This precursor has been observed after in vitro translations programmed by yeast poly(A+)RNA. Northern blot analysis of poly(A+) RNA from strain D273-10B reveals that COX6 is homologous to three RNAs of 1800, 900, and 700 bases in length. By means of Southern blot analysis, the cloned gene was shown to be co-linear with yeast chromosomal DNA and to exist in a single copy in the yeast genome. An additional open reading frame, consisting of 82 codons, terminates 22 codons upstream from COX6. It is "in frame" with the COX6 coding region.
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