Pitrilysin metallopeptidase 1, or, PITRM1, is a human gene. Other names include: Presequence protease, mitochondrial; hPreP; Pitrilysin metalloproteinase 1; Metalloprotease 1; hMP1; PreP peptidasome. The encoded protein is an enzyme with an amino acid length of 1037 and a mass of 117.4 kDa. Other isoforms may exist. Pitrilysin metallopeptidase 1 is a member of the Peptidase M16 family, PreP subfamily. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.