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    Gene. 1991 Jan 15;97(2):307-10.

    Human mitochondrial ATP synthase: cloning cDNA for the nuclear-encoded precursor of coupling factor 6.

    Source

    Department of Cell Physiology, Boston Biomedical Research Institute, MA 02114.

    Abstract

    Coupling factor 6 (F6) is a component of mitochondrial ATP synthase which is required for the interactions of the catalytic and proton-translocating segments. A human fetal muscle cDNA clone encoding this protein was isolated by screening a lambda gt10 library with oligodeoxyribonucleotide probes. The 497-bp F6 cDNA included a 96-bp segment that delineated a presequence of 32 amino acids (aa) in the precursor protein, and 140 bp of 3'-untranslated sequence. The remainder of the cDNA sequence coded for a mature human F6 protein of 76 aa. The deduced primary aa sequence showed 81% homology to that of bovine F6, differing in 14 aa. Almost all of these aa substitutions were conservative and comparison of the hydropathy profiles revealed a similar pattern.

    PMID:
    1825642
    [PubMed - indexed for MEDLINE]

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