Simplified structure of the<unk>  protein. The<unk>  is composed of 12 transmembrane domains (TMDs). The intracellular portion contains an amino (-) group and carboxyl (-COOH) group. In addition, there is a large extracellular loop located between TMD 3 and 4. The protein is composed of 617 amino acids.
Norepinephrine transporter
Glutamate transporter
Neurotransmitter transporter
Prolactin-releasing peptide receptor
Thiamine transporter 1
Sodium-chloride symporter
Vesicular monoamine transporter
Mechanosensitive channels