A number of ELISA Kits are available that target Bpag, an alias of the protein, collagen type XVII alpha 1 chain. The human protein is encoded by the gene COL17A1. The protein's cellular localization is indicated to be secreted. Additional synonyms or past names for this protein may include: BA16H23.2, BP180, BPA-2, BPAG2, ERED, LAD-1. Homology is conserved in other species, such as Mouse, Rat, Frog, Chicken.