Ready-to-use ELISA kits are available for the detection of proteasome (prosome, macropain) assembly chaperone 2, an alias of the protein, proteasome assembly chaperone 2. The official gene symbol is PSMG2. The protein, with a mass of 29.4 kDa and length of 264 residues, is reported to be nuclear. It is a member of the PSMG2 family and may be known by other names, including: proteasome (prosome macropain) assembly chaperone 2, PAC-2, HSPC260, HDCMC29P, and CD40 ligand-activated specific transcript 3, and tumor necrosis factor superfamily member 5-induced protein 1.