TMEM50A is a symbol for the gene, Transmembrane protein 50A, in humans. Other names include: Small membrane protein 1; IFNRC; SMP1. The encoded protein has an amino acid length of 157 and a mass of 17.4 kDa. Other isoforms may exist. TMEM50A is a member of the UPF0220 family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.