Main Reaction: Gamma-amino butyric acid + Glutamate >> alpha-Ketoglutarate + succinate semialdehyde ( SSA )

Reference: PubMed ID: 23790612
Authors: Panten U, Willenborg M, Schumacher K, Hamada A, Ghaly H, Rustenbeck I
Title: Acute metabolic amplification of insulin secretion in mouse islets is mediated by mitochondrial export of metabolites, but not by mitochondrial energy generation.
Published: 2013 Oct

Gamma-amino butyric acid + Glutamate --> alpha-Ketoglutarate + succinate semialdehyde ( SSA )