Provided below are ELISA kits targeting proteasome subunit alpha 1, a human protein encoded by PSMA1. This protein is 263 amino acids long, with a mass of 29.6 kDa, and is a member of the Peptidase T1A family. 2 isoforms have been identified. This is reported to be a cytoplasmic and nuclear protein. It is also an enzyme classified as a(n) proteasome endopeptidase complex. Glycosylation sites have been reported. Other alias names for this protein include: proteasome subunit alpha type-1, 30 kDa prosomal protein, PROS-30, epididymis secretory protein Li 275, macropain subunit nu, multicatalytic endopeptidase complex subunit C2, and proteasome (prosome macropain) subunit alpha type 1.