TTC4 encodes the human gene, Tetratricopeptide repeat domain 4. It may also be known as: Tetratricopeptide repeat protein 4; TPR repeat protein 4. The encoded protein has an amino acid length of 387 and a mass of 44.7 kDa. TTC4 is a member of the TTC4 family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.