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Serotonin Transporter Allosteric Site (SERT Allosteric Site)
- Target
- SERT Allosteric Site
- Molecular classification
- Transporter, Allosteric Binding Site
01
Overview
The serotonin transporter (SERT) allosteric site is a regulatory region on the SERT protein, distinct from the primary substrate binding site. Located within the extracellular vestibule, it is primarily formed by transmembrane helices TM10–TM12 and extracellular loop 6 (EL6). Binding of ligands at this allosteric site modulates SERT function, influencing both substrate transport and inhibitor binding kinetics. Ligands such as serotonin and certain antidepressants can occupy this site, affecting the efficacy and duration of SSRIs and providing avenues for the development of novel antidepressants.
- Other names
- SERT Allosteric Modulatory SiteSLC6A4 Allosteric Site
02
Mechanism of action
Allosteric modulation of serotonin transporter activity, influencing substrate transport and inhibitor binding kinetics.
03
Biological functions
Modulation of serotonin transportRegulation of neurotransmitter reuptakeConformational change modulation of SERT
04
Disease associations
DepressionAnxiety DisordersObsessive-Compulsive DisorderOther mood disorders
05
Safety considerations
Potential for unpredictable drug interactions due to allosteric effectsVariability in response to SSRIs based on allosteric modulation
06
Interacting drugs
Escitalopram
3 more in the full profile.
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