Tropomyosin 4, or, TPM4, is a human gene. Other names include: Tropomyosin alpha-4 chain; Tropomyosin-4; TM30p1; HEL-S-108. The encoded protein has an amino acid length of 248 and a mass of 28.5 kDa. Tropomyosin 4 is a member of the Tropomyosin family. This gene shares homology with other species, including: Mouse, Rat, Frog, Chicken.