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Model of cellular responses mediated by Gβγ and Gα2 subunits upon cAMP stimulation. Excited cAR1 receptor activates G2 to generate GTP-Gα2 and Gβγ. Gβγ sends signals to regulate ACA activation and chemotaxis. Gene induction and actin response are activated by G2. It is not yet known whether GTP-Gα or Gβγ links to these two cellular responses.
