GABRG3GABAA receptor-γ3, also known as GABRG3, is a protein which in humans is encoded by the GABRG3 gene.FunctionGABRG3 is a subunit of the GABAA receptor for the neurotransmitter gamma-Aminobutyric acid.Association with alcoholismGenetic markers near the GABRG3 gene are statistically linked to alcoholism.