Gene superfamily: potassium channels; (@KCNA KCNB1 @KCNC @KCND KCNE1 KCNF KCNG KCNH1 KCNH2 @KCNJ KCNK1 KCNK2 KCNK3 KCNMA1 KCNMB1 KCNN1 KCNN2 KCNN3 KCNN4 KCNQ1 KCNQ2 KCNQ3 KCNS1 KCNS2 KCNS3)

FUN	Potassium channels are functionally important to a large number of cellular processes including maintenance of the action potential, muscle contraction, hormone secretion, osmotic regulation, and ion flow."