Ready-to-use ELISA kits are available for the detection of proliferation-associated 2G4, 38kDa, an alias of the protein, proliferation-associated 2G4. The official gene symbol is PA2G4. The protein, with a mass of 43.8 kDa and length of 394 residues, is reported to be cytoplasmic and nuclear. It is a member of the Peptidase M24 family and may be known by other names, including: proliferation-associated 2G4 38kDa, proliferation-associated 2G4 38kD, cell cycle protein p38-2G4 homolog, ErbB3-binding protein Ebp1, ErbB-3 binding protein 1, and proliferation-associated protein 2G4, and HG4-1.