G Protein-Coupled Inwardly-Rectifying Potassium Channels

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G Protein-Coupled Inwardly-Rectifying Potassium Channels

A family of inwardly-rectifying potassium channels that are activated by PERTUSSIS TOXIN sensitive G-PROTEIN-COUPLED RECEPTORS. GIRK potassium channels are primarily activated by the complex of GTP-BINDING PROTEIN BETA SUBUNITS and GTP-BINDING PROTEIN GAMMA SUBUNITS.