Notes: 1:Clickable 2:Unclickable G G AC G GC AC NO RSG2/4 DAG DAG p-CREB PKA Cascades PKG Cascades cGMP p-CREB cGMP cGMP PKG p-MEK1/2p-ERK1/2p-JNKp-p38 G q/11 G i/s G i/0 PIP 2 PC β-arrestin PIP 2 IP 3 IP 3 IP 3 R GlyR Kir3 Na + Ca 2+ Ca 2+ Ca 2+ Ca 2+ Store IP 3 R Ca 2+ Store Na + Ca 2+ K + K + K + Melatonin K + K + CI - P {{ board.text }} {{ board.text }} {{ board.text }} {{ board.text }} {{ board.text }} {{ board.text }} {{ group.title }} {{ text.text }} {{ button.text }} {{ group.title }} {{ text.text }}