Ready-to-use ELISA kits are available for the detection of hspb associated protein 1, an alias of the protein, HSPB1 associated protein 1. The official gene symbol is HSPBAP1. The protein, with a mass of 55.2 kDa and length of 488 residues, is reported to be cytoplasmic. It may be known by other names, including: PASS1, protein associating with small stress protein PASS1, HSPB (heat shock 27kDa) associated protein 1, and 27 kDa heat shock protein-associated protein 1.