- Evidence that the 16 kDa proteolipid (subunit c) of the vacuolar H(+)-ATPase and ductin from gap junctions are the same polypeptide in Drosophila and Manduca: molecular cloning of the Vha16k gene from Drosophila. Finbow, M.E., Goodwin, S.F., Meagher, L., Lane, N.J., Keen, J., Findlay, J.B., Kaiser, K. J. Cell. Sci. (1994)