A number of ELISA Kits are available that target proacrosin binding protein, an alias of the protein, acrosin binding protein. The human protein is encoded by the gene ACRBP. The protein's cellular localization is indicated to be secreted. Additional synonyms or past names for this protein may include: CT23, OY-TES-1, SP32. Homology is conserved in other species, such as Mouse, Rat, Chicken.