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    Crystal structure of the N-terminal domain of the TyrR transcription factor responsible for gene regulation of aromatic amino acid biosynthesis and transport in Escherichia coli K12

    Verger, Denis and Carr, P.D. and Kwok, T. and Ollis, D.L. (2007) Crystal structure of the N-terminal domain of the TyrR transcription factor responsible for gene regulation of aromatic amino acid biosynthesis and transport in Escherichia coli K12. Journal of Molecular Biology 367 (1), 102 - 112. ISSN 0022-2836.

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    Abstract

    The X-ray structure of the N-terminal domain of TyrR has been solved to a resolution of 2.3 Å. It reveals a modular protein containing an ACT domain, a connecting helix, a PAS domain and a C-terminal helix. Two dimers are present in the asymmetric unit with one monomer of each pair exhibiting a large rigid-body movement that results in a hinging around residue 74 of not, vert, similar50°. The structure of the dimer is discussed with reference to other transcription regulator proteins. Putative binding sites are identified for the aromatic amino acid cofactors.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): TyrR protein, transcription regulation, repressor, activator, X-ray structure
    School: Birkbeck Schools and Departments > School of Science > Biological Sciences
    Depositing User: Administrator
    Date Deposited: 08 Aug 2011 11:10
    Last Modified: 17 Apr 2013 12:21
    URI: http://eprints.bbk.ac.uk/id/eprint/3974

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