Ready-to-use ELISA kits are available for the detection of Bap32, an alias of the protein, prohibitin. The official gene symbol is PHB. The kits can detect several species variants of the protein, including: human, rat, primate, guinea pig, and other mammalian. The protein, with a mass of 29.8 kDa and length of 272 residues, is reported to be nuclear and mitochondrial. It is a member of the Prohibitin family and may be known by other names, including: HEL-S-54e, HEL-215, epididymis secretory sperm binding protein Li 54e, and epididymis luminal protein 215.