Ready-to-use ELISA kits are available for the detection of glutamic acid decarboxylase 2, an alias of the protein, glutamate decarboxylase 2. The official gene symbol is GAD2. The protein, with a mass of 65.4 kDa and length of 585 residues, is reported to be cytoplasmic and membrane-associated. It is a member of the Group II decarboxylase family and may be known by other names, including: GAD65, glutamate decarboxylase 2 (pancreatic islets and brain 65kDa), Glutamate decarboxylase-2 (pancreas), GAD-65, and 65 kDa glutamic acid decarboxylase.