Glycine and glutamate transporters coexist on cerebellum nerve terminals.
Dopamine and GABA transporters coexist on striatum nerve terminals.
GABA and glycine transporters coexist on nerve terminals of caudal regions.
Glutamate transporters modulate GABA/glycine cotransmission in spinal cord.
Transporter coexistence on a same nerve terminal may reflect cotransmission.