TMEM45A encodes the human gene, Transmembrane protein 45A. It may also be known as: Dermal papilla-derived protein 7; DNA polymerase-transactivated protein 4; DERP7. The encoded protein has an amino acid length of 275 and a mass of 31.7 kDa. Other isoforms may exist. TMEM45A is a member of the TMEM45 family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.