Fig3A. from [doi:10.1074/jbc.M200586200] [PMID:12133826] J Biol Chem 2002 277(39): 36296-303, Murata Y; Sun-Wada GH; Yoshimizu T; Yamamoto A; Wada Y; Futai M, Differential localization of the vacuolar H+ pump with G subunit isoforms (G1 and G2) in mouse neurons. Copyright 2002