CD270, or Tumor necrosis factor receptor superfamily member 14, is a human gene encoded by TNFRSF14. It may also be known as: Herpesvirus entry mediator A; HveA; Tumor necrosis factor receptor-like 2; TR2; CD antigen CD270; Herpes virus entry mediator A; herpesvirus entry mediator; ATAR; HVEM; LIGHTR; tumor necrosis factor receptor superfamily, member 14. The encoded protein has an amino acid length of 283 and a mass of 30.4 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse.