PPT-C is an alias for the gene, Tachykinin 4 (hemokinin), in humans. Other names include: Tachykinin-4; Preprotachykinin-C; EK; HK-1. The encoded protein has an amino acid length of 113 and a mass of 12.3 kDa. Other isoforms may exist. PPT-C is a member of the Tachykinin family. This gene shares homology with other species, including: Mouse.