期刊论文详细信息
FEBS Letters
A D1/D2 chimeric dopamine receptor mediates a D1 response to a D2‐selective agonist
Manelli, Arlene M.2  Frail, Donald E.2  MacKenzie, Robert G.1  Pollock, Nancy J.2  Steffey, Michael E.1 
[1] Neuroscience Research Division, Abbott Laboratories, Abbott Park, IL 60064, USA;Department of Corporate Molecular Biology, Abbott Laboratories, Abbott Park, IL 60064, USA
关键词: D1 dopamine receptor;    D2 dopamine receptor;    Chimeric dopamine receptor;   
DOI  :  10.1016/0014-5793(93)81448-9
学科分类:生物化学/生物物理
来源: John Wiley & Sons Ltd.
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【 摘 要 】

D1 and D2 dopamine receptors are G-protein coupled receptors and have seven transmembrane spanning regions (TM) typical of this receptor superfamily. Although dopamine binds equally to D1 and D2 receptors, many compounds are highly selective. To probe the receptors for regions that determine subtype specificity, plasmid constructs coding for the D1 or a D1/D2 chimeric receptor were made and transfected into cells to study the binding and agonist properties of non-selective or subtype-selective compounds. The results suggest that the D2-selective agonist, quinpirole, gains much of its selectivity by binding to within TM VI and VII of the D2 receptor.

【 授权许可】

Unknown   

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