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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Molecular microbiology 6 (1992), S. 0 
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The trpR gene of Escherichia coli carries an open reading frame that encodes the trp repressor, 108 amino acids long. Here we show that translation of an additional (+1) reading frame of trpR occurs both in vivo and in vitro. This results in the synthesis of a stable +1 frame polypeptide. Using site-specific mutagenesis, immunological techniques and amino acid sequencing we have found that the N-terminus of the +1 frame product and that of the known 0 frame product are identical but that their C-termini differ. Our results are discussed in relation to the role of natural frameshifting as a regulatory mechanism of gene expression in general, and with respect to tryptophan biosynthesis in particular.
    Type of Medium: Electronic Resource
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