TMEM8B encodes the human gene, Transmembrane protein 8B. It may also be known as: Protein NAG-5; Protein NGX6; nasopharyngeal carcinoma expressed 6; C9orf127; NAG-5; NGX6. The encoded protein has an amino acid length of 472 and a mass of 51.9 kDa. Other isoforms may exist. TMEM8B is a member of the TMEM8 family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Frog, Chicken.