Enables monoamine transmembrane transporter activity; neurotransmitter transmembrane transporter activity; and nitric-oxide synthase binding activity. Involved in several processes, including brain morphogenesis; serotonin uptake; and social behavior. Acts upstream of or within cellular response to organic substance. Located in focal adhesion and synapse. Is expressed in several structures, including early conceptus; liver; nervous system; ovary; and polar body. Used to study autism spectrum disorder and sudden infant death syndrome. Human ortholog(s) of this gene implicated in several diseases, including alcohol use disorder; alexithymia; anxiety disorder (multiple); heart disease (multiple); and mental depression (multiple). Orthologous to human SLC6A4 (solute carrier family 6 member 4). [provided by Alliance of Genome Resources, Apr 2022]