Neurotransmitter and psychostimulant recognition by the dopamine transporter

Kevin H. Wang, Aravind Penmatsa, Eric Gouaux

Research output: Contribution to journalArticle

165 Citations (Scopus)

Abstract

Na+/Cl--coupled biogenic amine transporters are the primary targets of therapeutic and abused drugs, ranging from antidepressants to the psychostimulants cocaine and amphetamines, and to their cognate substrates. Here we determine X-ray crystal structures of the Drosophila melanogaster dopamine transporter (dDAT) bound to its substrate dopamine, a substrate analogue 3,4-dichlorophenethylamine, the psychostimulants d-amphetamine and methamphetamine, or to cocaine and cocaine analogues. All ligands bind to the central binding site, located approximately halfway across the membrane bilayer, in close proximity to bound sodium and chloride ions. The central binding site recognizes three chemically distinct classes of ligands via conformational changes that accommodate varying sizes and shapes, thus illustrating molecular principles that distinguish substrates from inhibitors in biogenic amine transporters.

Original languageEnglish (US)
Pages (from-to)322-327
Number of pages6
JournalNature
Volume521
Issue number7552
DOIs
StatePublished - May 21 2015

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Dopamine Plasma Membrane Transport Proteins
Cocaine
Neurotransmitter Agents
Biogenic Amines
Binding Sites
Ligands
Amphetamines
Dextroamphetamine
Methamphetamine
Drosophila melanogaster
Sodium Chloride
Antidepressive Agents
Dopamine
X-Rays
Ions
Membranes
Therapeutics

ASJC Scopus subject areas

  • General

Cite this

Neurotransmitter and psychostimulant recognition by the dopamine transporter. / Wang, Kevin H.; Penmatsa, Aravind; Gouaux, Eric.

In: Nature, Vol. 521, No. 7552, 21.05.2015, p. 322-327.

Research output: Contribution to journalArticle

Wang, Kevin H. ; Penmatsa, Aravind ; Gouaux, Eric. / Neurotransmitter and psychostimulant recognition by the dopamine transporter. In: Nature. 2015 ; Vol. 521, No. 7552. pp. 322-327.
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