Original Source: Carty, S.E., R.G. Johnson and A. Scarpa. "H+-Translocating ATPase and Other Membrane Enzymes Involved in the Accumulation and Storage of Biological Amines in Chromaffin Granules." in The Enzymes of Biological Membranes 2nd ed. Vol. 3: Membrane Transport (A.N. Martonosi, ed.). Plenum Press, New York 1985. p. 457.