2.6.1.19 4-aminobutyrate-2-oxoglutarate transaminase nucleus preopticus transcripts of gamma-aminobutanoate transaminase and glutamic acid decarboxylase 65, and glutamic acid decarboxylase 67 are detected throughout the brain, largely in the ventral and medial regions of telencephalon, nucleus preopticus, nucleus recessus lateralis of the hypothalamus, and Purkinje cell layer of the cerebellum 672849 4.1.1.15 glutamate decarboxylase nucleus preopticus - 672849