EP2 Receptor, or Prostaglandin E receptor 2, is a human gene encoded by PTGER2. It may also be known as: Prostaglandin E2 receptor EP2 subtype; PGE2 receptor EP2 subtype; Prostanoid EP2 receptor; PGE receptor EP2 subtype; prostaglandin E receptor 2 (subtype EP2), 53kDa. The encoded protein has an amino acid length of 358 and a mass of 39.8 kDa. Other isoforms may exist. EP2 Receptor is a member of the G-protein coupled receptor 1 family. Homologs of this gene exist in other organisms, including: Mouse.