TRESK is an alias for the gene, Potassium channel, two pore domain subfamily K, member 18, in humans. Other names include: Potassium channel subfamily K member 18; TWIK-related individual potassium channel; TWIK-related spinal cord potassium channel; TWIK related spinal cord K+ channel; K2p18.1; MGR13-22; TRIK. The encoded protein has an amino acid length of 384 and a mass of 43.7 kDa. TRESK is a member of the Two pore domain potassium channel (TC 1.A.1.8) family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.