SLC6A2 (Solute Carrier Family 6 Member 2): SLC6A2, also known as the norepinephrine transporter, is responsible for the reuptake of norepinephrine into presynaptic nerve terminals. It is a target for certain antidepressants and plays a role in regulating mood and alertness. Dysfunctions in SLC6A2 are implicated in psychiatric and neurological disorders, including depression and attention deficit hyperactivity disorder (ADHD)....