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    Rhizobium leguminosarum has a second general amino acid permease with unusually broad substrate specificity and high similarity to branched-chain amino acid transporters (Bra/LIV) of the ABC family

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    Authors
    Hosie, Arthur H.F.
    Allaway, D.
    Galloway, C.S.
    Dunsby, H.A.
    Poole, Philip S.
    Affiliation
    University of Reading
    Issue Date
    2002
    Subjects
    ABC transporter
    rhizobium
    amino acid permease
    
    Metadata
    Show full item record
    Abstract
    Amino acid uptake by Rhizobium leguminosarum is dominated by two ABC transporters, the general amino acid permease (Aap) and the branched-chain amino acid permease (BraRl). Characterization of the solute specificity of BraRl shows it to be the second general amino acid permease of R. leguminosarum. Although BraRl has high sequence identity to members of the family of hydrophobic amino acid transporters (HAAT), it transports a broad range of solutes, including acidic and basic polar amino acids (l-glutamate, l-arginine, and l-histidine), in addition to neutral amino acids (l-alanine and l-leucine). Overall, the data indicate that BraRl is a general amino acid permease of the HAAT family. Furthermore, BraRl has the broadest solute specificity of any characterized bacterial amino acid transporter.
    Citation
    Hosie, A. H.F., Allaway, D., Galloway, C. S., Dunsby, H.A. and Poole, P.S. (2002) 'Rhizobium Leguminosarum has a second general amino acid permease with unusually broad substrate specificity and high similarity to branched-chain amino acid transporters (Bra/LIV) of the ABC Family', Journal of Bacteriology, 184(15), pp.4071-4080
    Publisher
    American Society for Microbiology
    Journal
    Journal of Bacteriology
    URI
    http://hdl.handle.net/10547/293975
    DOI
    10.1128/JB.184.15.4071-4080.2002
    PubMed ID
    12107123
    PubMed Central ID
    PMC135202
    Additional Links
    http://jb.asm.org/cgi/doi/10.1128/JB.184.15.4071-4080.2002
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC135202/
    Type
    Article
    Language
    en
    ISSN
    0021-9193
    ae974a485f413a2113503eed53cd6c53
    10.1128/JB.184.15.4071-4080.2002
    Scopus Count
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    Cell and Cryobiology Research Group

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