Catalyzes the production of GABA. Homodimer. Isoform 3 is expressed in pancreatic islets, testis, adrenal cortex, and perhaps other endocrine tissues, but not in brain. Belongs to the group II decarboxylase family. 3 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: Amino Acid Metabolism - alanine, aspartate and glutamate; Carbohydrate Metabolism - butanoate; EC 188.8.131.52; Lyase; Mitochondrial; Other Amino Acids Metabolism - beta-alanine; Other Amino Acids Metabolism - taurine and hypotaurine