Anti-Ca2+ dependent secretion activator 2 antibodies enable researchers to detect and measure the Ca2+ dependent secretion activator 2 antigen in biological samples. This target is a reported synonym of the CADPS2 gene, which encodes calcium dependent secretion activator 2. This protein is known to function in exocytosis and protein transport, among other biological roles. The human version of Ca2+ dependent secretion activator 2 has a canonical amino acid length of 1296 residues and a protein mass of 147.7 kilodaltons, although 3 isoforms have been identified. It is reported to be localized in the cytoplasmic vesicles and membrane of cells.