The ELISA kits listed below target MZB1, the symbol for the human gene, marginal zone B and B1 cell specific protein, and a member of the MZB1 family. The protein encoded by MZB1 has a predicted amino acid length of 189, a mass of 20.7 kDa, and a cytoplasmic, nuclear and secreted subcellular localization. There are currently 5 reported isoforms. MZB1 may also be known by the following names: plasma cell-induced resident ER protein, plasma cell-induced ER protein 1, mesenteric estrogen-dependent adipose 7, caspase-2 binding protein, HSPC190, and marginal zone B- and B1-cell-specific protein, and proapoptotic caspase adapter protein. Orthologs of the gene, including human, mouse, rat, bovine, guinea pig, and other mammalian are available targets of several ELISA kits.