Question: The Gab operon is responsible for the conversion of γ-aminobutyrate to succinate, what is the  is the chief inhibitory neurotransmitter in the mammalian central nervous system, called?
Sentence (from "Gab operon"): The "gab" operon is responsible for the conversion of γ-aminobutyrate (GABA) to succinate.
Relevant evidence: Yes