LTA4 Hydrolase, or Leukotriene A4 hydrolase, is a human gene encoded by LTA4H. It may also be known as: Leukotriene A-4 hydrolase; LTA-4 hydrolase; Leukotriene A(4) hydrolase. The encoded protein is an enzyme with an amino acid length of 611 and a mass of 69.3 kDa. LTA4 Hydrolase is a member of the Peptidase M1 family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.