Taspase, Threonine Aspartase 1 is an alias for the gene, Taspase 1, in humans. Other names include: Threonine aspartase 1; Taspase-1; threonine aspartase; C20orf13; dJ585I14.2; taspase, threonine aspartase, 1. The encoded protein is an enzyme with an amino acid length of 420 and a mass of 44.5 kDa. Other isoforms may exist. Taspase, Threonine Aspartase 1 is a member of the Ntn-hydrolase family. This gene shares homology with other species, including: Fly, Mouse, Rat, Zebrafish, Frog, Chicken.