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  • Molecular analysis of system N suggests novel physiological roles in nitrogen metabolism and synaptic transmission
    Chaudhry, Farrukh A ...
    The amino acid glutamine has a central role in nitrogen metabolism. Although the molecular mechanisms responsible for its transport across cell membranes remain poorly understood, classical amino ... acid transport system N appears particularly important. Using intracellular pH measurements, we have now identified an orphan protein related to a vesicular neurotransmitter transporter as system N. Functional analysis shows that this protein (SN1) involves H+ exchange as well as Na+ cotransport and, under physiological conditions, mediates glutamine efflux as well as uptake. Together with the pattern of SN1 expression, these unusual properties suggest novel physiological roles for system N in nitrogen metabolism and synaptic transmission.
    Vir: Cell. - ISSN 0092-8674 (Letn. 99, št. 7, 1999, str. 769-780)
    Vrsta gradiva - članek, sestavni del
    Leto - 1999
    Jezik - angleški
    COBISS.SI-ID - 27519193

vir: Cell. - ISSN 0092-8674 (Letn. 99, št. 7, 1999, str. 769-780)
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