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. 2014 Oct 15;307(12):C1142–C1150. doi: 10.1152/ajpcell.00167.2014

Fig. 8.

Fig. 8.

A diagram depicting the signaling pathway by which the constitutive PKA activity regulates the spontaneous TBKCs and thus UBSM excitability and contractility. AC, adenylyl cyclase; CaV, L-type voltage-gated Ca2+ channel; pPLB, phosphorylated phospholamban; SR, sarcoplasmic reticulum.