P22 (P22)

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P22 (P22) is required for constitutive, exocytotic membrane traffic in rat liver. p22 is N- myristoylated as is recoverin. The N-myristoylate group and the calcium induced change in conformation are essential to the function of P22 [19]. Lin and Barber [20] reported that P22 inhibits the GTPase stimulated, Na+/H+ exchanger.