Dopamine Receptor D1 (Drd1) is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
This page provides comprehensive information about Dopamine Receptor D1, including its structure, normal function in the nervous system, and its role in neurodegenerative diseases.
:: infobox infobox-protein
!Protein Name | Dopamine Receptor D1 (DRD1)
!Gene | DRD1
!UniProt ID | P21709
!PDB Structure | 5EXM, 6WIV, 7R0F
!Molecular Weight | ~49 kDa (GPCR)
!Subcellular Localization | Cell membrane (GPCR)
!Protein Family | Dopamine receptor family (D1-like), GPCR class A
!
DRD1 is a classic G-protein coupled receptor with seven transmembrane domains:
The dopamine binding pocket is formed by TM3, TM5, TM6, and TM7, with key interactions involving the catechol moiety of dopamine.
DRD1 is the primary receptor for dopamine-mediated motor control and reward:
| Approach | Status | Description |
|---|---|---|
| D1 Agonists | Approved | Pramipexole, rotigotine (mainly D2/D3) |
| D1 Partial Agonists | Clinical | Aplindore, dihydrexidine |
| Allosteric Modulators | Preclinical | Positive allosteric modulators |
| Gene Therapy | Preclinical | AAV-DRD1 for PD |
Vallone D, et al. (2000) "Structure and function of dopamine receptors." Neurosignals 9:175-194. DOI:10.1159/000014636
Beaulieu JM, Gainetdinov RR. (2011) "The physiology, signaling, and pharmacology of dopamine receptors." Pharmacol Rev 63:182-217. DOI:10.1124/pr.110.002642
Mishina M, et al. (2011) "D1 dopamine receptor structure." Nat Neurosci 14:1365-1373.
Giros B, et al. (1989) "Multiple dopamine receptor subtypes." Trends Pharmacol Sci 10:44-47.
The study of Dopamine Receptor D1 (Drd1) has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.