Nav1.5-I_Na (sodium current),Cav1.2-I_Ca (calcium current),HERG (human ether-a-go-go-related gene) - I_Kr ('rapid' delayed rectifier current) terminates the AP!!KCNQ1 and KCNE1 together carry IKs (‚slowly' activating delayed rectifier current),Kir2.x - I_K1 (inwardly rectifying potassium current),HCN (hyperpolarization-activated cyclic nucleotide-gated channel) - I_f (funny current, carries Na+ and K+)