Figure 7. Western blot analysis of Cxs expressed in Xenopus oocytes. Lanes 1, 3, 5: uninjected oocytes to serve as non-expressing control. Lanes 2 and 6: oocytes co-expressing Cx43 and Cx46 (Cx43•46). Lane 4: oocytes expressing Cx43 alone. Lanes 1–6 were probed with anti-Cx43 antibody, whereas lanes 5 and 6 were probed with anti-Cx46 antibody.