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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Psychoneuroendocrinology. 2009 Dec;34S1:S67–S73. doi: 10.1016/j.psyneuen.2009.08.010

Fig.2.

Fig.2

Ligand-gated ionic channel (LGICs) structure. A. Each GABAA receptor subunit contains four transmembrane domains (TM). B. The TM2 domain forms the wall of the channel pore. C. The majority of native GABAA receptors are composed of 2α, 2β and 1γ subunit.