Article
Distinct conformational states mediate the transport and anion channel properties of the glutamate transporter EAAT-1.
The Journal of biological chemistry - 19 Apr 2002
Ryan Renae M, Vandenberg Robert J
Abstract excerpt
Glutamate transport by the excitatory amino acid transporters (EAATs) is coupled to the co-transport of 3 Na(+), 1 H(+), and the counter-transport of 1 K(+) ion. In addition to coupled ion fluxes, glutamate and Na(+) binding to the transporter activates a thermodynamically uncoupled anion conductance through the transporter. In this study, we have distinguished between these two conductance states of the EAAT-1...
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