Transition metal ion FRET uncovers K+ regulation of a neurotransmitter/sodium symporter

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Transition metal ion FRET uncovers K+ regulation of a neurotransmitter/sodium symporter

Neurotransmitter/sodium symporters (NSSs) are responsible for Na+-dependent reuptake of neurotransmitters and represent key targets for antidepressants and psychostimulants. LeuT, a prokaryotic NSS protein, constitutes a primary structural model for these transporters. Here we show that K+ inhibits Na+-dependent binding of substrate to LeuT, promotes an outward-closed/inward-facing conformation...

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ژورنال

عنوان ژورنال: Nature Communications

سال: 2016

ISSN: 2041-1723

DOI: 10.1038/ncomms12755