Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: serotonin(out) + Na+(out) + Cl-(out) = serotonin(in) + Na+(in)+ Cl-(in).
Synonyms:
exact_synonym:
serotonin transmembrane transporter activity
related_synonym:
serotonin:sodium symporter activity
alt_id:
GO:0005336; GO:0015222
xref:
RHEA:51196; TC:2.A.22.1.1; reactome:R-HSA-444008 "SLC6A4 co-transports 5HT, Cl-, Na+ from extracellular region to cytosol"