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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 neurotransmitters.

In this chapter, we describe advances in our understanding of GIRK channel function based on recent high-resolution atomic structures of inwardly rectifying K (+) channels discussed in the context of classical structure-function experiments.

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),...

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