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Four G protein gated inwardly-rectifying potassium (GIRK) channel subunits have been identified in mamgirkmals: GIRK1, GIRK2, GIRK3, and GIRK4. The GIRK subunits come together to form GIRK ion channels.

G protein-gated inwardly rectifying potassium channel (GIRK) plays a key role in regulating neurotransmission. GIRK is opened by the direct binding of the G protein βγ subunit (Gβγ),...

G Protein-Coupled Inwardly-Rectifying Potassium Channels (GIRK channels) are channels found in the brain that play a crucial role in the inhibitory effects of neurotrangirksmitters.

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