Article
Zinc potentiates an uncoupled anion conductance associated with the dopamine transporter.
The Journal of biological chemistry - 26 Nov 2004
Meinild Anne-Kristine, Sitte Harald H, Gether Ulrik
Abstract excerpt
Binding of Zn(2+) to an endogenous binding site in the dopamine transporter (DAT) leads to inhibition of dopamine (DA) uptake and enhancement of carrier-mediated substrate efflux. To elucidate the molecular mechanism for this dual effect, we expressed the DAT and selected mutants in Xenopus laevis oocytes and applied the two-electrode voltage clamp technique together with substrate flux studies employing...
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