Citrate Synthase, or, CS, is a human gene. Other names include: Citrate synthase, mitochondrial; Citrate; Si)-synthase; Citrate synthase, mitochondrial ; Si. The encoded protein is an enzyme with an amino acid length of 466 and a mass of 51.7 kDa. Other isoforms may exist. Citrate Synthase is a member of the Citrate synthase family. This gene shares homology with other species, including: Mouse, Fly, Rat, Zebrafish, Frog, Chicken.