4XPG

X-ray structure of Drosophila dopamine transporter with subsiteB mutations (D121G/S426M) bound to beta-CFT or Win35428

4XPG の概要

• エントリーDOI: 10.2210/pdb4xpg/pdb
• 分子名称: Dopamine transporter, antibody fragment light chain, antibody fragment heavy chain, ... (7 entities in total)
• 機能のキーワード: all alpha-helical integral membrane protein, transport protein-inhibitor complex, transport protein/inhibitor
• 由来する生物種: Drosophila melanogaster; 詳細
• タンパク質・核酸の鎖数: 3
• 化学式量合計: 113904.73

構造登録者

Penmatsa, A.,Wang, K.H.,Gouaux, E. (登録日: 2015-01-16, 公開日: 2015-05-06, 最終更新日: 2024-10-16)

主引用文献

Wang, K.H.,Penmatsa, A.,Gouaux, E.
Neurotransmitter and psychostimulant recognition by the dopamine transporter.
Nature, 521:322-327, 2015

PubMed 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.

PubMed: 25970245
DOI: 10.1038/nature14431

実験手法

X-RAY DIFFRACTION (3.21 Å)