THEM5 encodes the human gene, Thioesterase superfamily member 5. It may also be known as: Acyl-coenzyme A thioesterase THEM5; Acyl-coenzyme A thioesterase 15; Acyl-CoA thioesterase THEM5; ACOT15. The encoded protein is an enzyme with an amino acid length of 247 and a mass of 27.7 kDa. Other isoforms may exist. THEM5 is a member of the THEM4/THEM5 thioesterase family. Homologs of this gene exist in other organisms, including: Mouse, Rat.